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100242312102 = 2334793875447
BaseRepresentation
bin101110101011011101…
…0000100101110100110
3100120202001121001222000
41131112322010232212
53120244012441402
6114014540350130
710146045410532
oct1352672045646
9316661531860
10100242312102
1139570198839
1217516b45346
1395b6a8ca9a
144bcd2d8bc2
15291a650c1c
hex1756e84ba6

100242312102 has 32 divisors (see below), whose sum is σ = 223225804800. Its totient is φ = 33344337384.

The previous prime is 100242312043. The next prime is 100242312109. The reversal of 100242312102 is 201213242001.

It is a happy number.

100242312102 is a `hidden beast` number, since 10 + 0 + 242 + 312 + 102 = 666.

It is a super-2 number, since 2×1002423121022 (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100242312109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911858 + ... + 1963589.

It is an arithmetic number, because the mean of its divisors is an integer number (6975806400).

Almost surely, 2100242312102 is an apocalyptic number.

100242312102 is an abundant number, since it is smaller than the sum of its proper divisors (122983492698).

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

100242312102 is a wasteful number, since it uses less digits than its factorization.

100242312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875937 (or 3875931 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100242312102 its reverse (201213242001), we get a palindrome (301455554103).

The spelling of 100242312102 in words is "one hundred billion, two hundred forty-two million, three hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 479 958 1437 2874 4311 8622 12933 25866 3875447 7750894 11626341 23252682 34879023 69758046 104637069 209274138 1856339113 3712678226 5569017339 11138034678 16707052017 33414104034 50121156051 100242312102