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103311131100 = 22352619196143
BaseRepresentation
bin110000000110111010…
…0101100000111011100
3100212122221010020012220
41200031310230013130
53143040122143400
6115243244025340
710315101060642
oct1401564540734
9325587106186
10103311131100
113a8a5492991
1218032832250
1399857bb408
145000ad7192
152a49c8a7a0
hex180dd2c1dc

103311131100 has 144 divisors (see below), whose sum is σ = 304193863680. Its totient is φ = 27064108800.

The previous prime is 103311131059. The next prime is 103311131111. The reversal of 103311131100 is 1131113301.

It is a super-2 number, since 2×1033111311002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103311131100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16814629 + ... + 16820771.

Almost surely, 2103311131100 is an apocalyptic number.

103311131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103311131100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152096931840).

103311131100 is an abundant number, since it is smaller than the sum of its proper divisors (200882732580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103311131100 is a wasteful number, since it uses less digits than its factorization.

103311131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140 (or 7133 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 103311131100 its reverse (1131113301), we get a palindrome (104442244401).

The spelling of 103311131100 in words is "one hundred three billion, three hundred eleven million, one hundred thirty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 61 75 100 122 150 183 244 300 305 366 610 732 915 919 1220 1525 1830 1838 2757 3050 3660 3676 4575 4595 5514 6100 6143 9150 9190 11028 12286 13785 18300 18380 18429 22975 24572 27570 30715 36858 45950 55140 56059 61430 68925 73716 91900 92145 112118 122860 137850 153575 168177 184290 224236 275700 280295 307150 336354 368580 374723 460725 560590 614300 672708 749446 840885 921450 1121180 1124169 1401475 1498892 1681770 1842900 1873615 2248338 2802950 3363540 3747230 4204425 4496676 5605900 5620845 5645417 7494460 8408850 9368075 11241690 11290834 16817700 16936251 18736150 22483380 22581668 28104225 28227085 33872502 37472300 56208450 56454170 67745004 84681255 112416900 112908340 141135425 169362510 282270850 338725020 344370437 423406275 564541700 688740874 846812550 1033111311 1377481748 1693625100 1721852185 2066222622 3443704370 4132445244 5165556555 6887408740 8609260925 10331113110 17218521850 20662226220 25827782775 34437043700 51655565550 103311131100