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101312103330 = 23251775787473
BaseRepresentation
bin101111001011010101…
…1000000001110100010
3100200111121121002122100
41132112223000032202
53124441344301310
6114313033551230
710214415445434
oct1362653001642
9320447532570
10101312103330
1139a6a04a819
1217775275516
1397275c4749
144c91412654
15297e51aec0
hex1796ac03a2

101312103330 has 96 divisors (see below), whose sum is σ = 279277889904. Its totient is φ = 25393471488.

The previous prime is 101312103323. The next prime is 101312103331. The reversal of 101312103330 is 33301213101.

It is a happy number.

101312103330 is a `hidden beast` number, since 10 + 1 + 312 + 10 + 3 + 330 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 84763081881 + 16549021449 = 291141^2 + 128643^2 .

It is a super-2 number, since 2×1013121033302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101312103331) by changing a digit.

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, 1114474 + ... + 1201946.

Almost surely, 2101312103330 is an apocalyptic number.

101312103330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101312103330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139638944952).

101312103330 is an abundant number, since it is smaller than the sum of its proper divisors (177965786574).

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

101312103330 is a wasteful number, since it uses less digits than its factorization.

101312103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88260 (or 88257 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 101312103330 its reverse (33301213101), we get a palindrome (134613316431).

The spelling of 101312103330 in words is "one hundred one billion, three hundred twelve million, one hundred three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 757 765 1514 1530 2271 3785 4542 6813 7570 11355 12869 13626 22710 25738 34065 38607 64345 68130 77214 87473 115821 128690 174946 193035 231642 262419 386070 437365 524838 579105 787257 874730 1158210 1312095 1487041 1574514 2624190 2974082 3936285 4461123 7435205 7872570 8922246 13383369 14870410 22305615 26766738 44611230 66217061 66916845 132434122 133833690 198651183 331085305 397302366 595953549 662170610 993255915 1125690037 1191907098 1986511830 2251380074 2979767745 3377070111 5628450185 5959535490 6754140222 10131210333 11256900370 16885350555 20262420666 33770701110 50656051665 101312103330