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103455322212 = 2231110334921803
BaseRepresentation
bin110000001011001101…
…0101111000001100100
3100220000222102220020110
41200112122233001210
53143334030302322
6115305434333020
710321501505124
oct1402632570144
9326028386213
10103455322212
113a9699178a0
1218072b8a170
1399a96352b8
145015d0cc84
152a5776dc0c
hex18166af064

103455322212 has 96 divisors (see below), whose sum is σ = 266671641600. Its totient is φ = 30955351680.

The previous prime is 103455322211. The next prime is 103455322219. The reversal of 103455322212 is 212223554301.

It is a self number, because there is not a number n which added to its sum of digits gives 103455322212.

It is not an unprimeable number, because it can be changed into a prime (103455322211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4734103 + ... + 4755905.

It is an arithmetic number, because the mean of its divisors is an integer number (2777829600).

Almost surely, 2103455322212 is an apocalyptic number.

103455322212 is a gapful number since it is divisible by the number (12) 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 103455322212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133335820800).

103455322212 is an abundant number, since it is smaller than the sum of its proper divisors (163216319388).

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

103455322212 is a wasteful number, since it uses less digits than its factorization.

103455322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22273 (or 22271 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 103455322212 its reverse (212223554301), we get a palindrome (315678876513).

The spelling of 103455322212 in words is "one hundred three billion, four hundred fifty-five million, three hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 132 206 309 349 412 618 698 1047 1133 1236 1396 2094 2266 3399 3839 4188 4532 6798 7678 11517 13596 15356 21803 23034 35947 43606 46068 65409 71894 87212 107841 130818 143788 215682 239833 261636 395417 431364 479666 719499 790834 959332 1186251 1438998 1581668 2245709 2372502 2877996 4491418 4745004 6737127 7609247 8982836 13474254 15218494 22827741 24702799 26948508 30436988 45655482 49405598 74108397 83701717 91310964 98811196 148216794 167403434 251105151 296433588 334806868 502210302 783752441 1004420604 1567504882 2351257323 3135009764 4702514646 8621276851 9405029292 17242553702 25863830553 34485107404 51727661106 103455322212