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100557213294 = 2331975573507
BaseRepresentation
bin101110110100110101…
…1010100111001101110
3100121120000010201012010
41131221223110321232
53121420121311134
6114110110022050
710156621132026
oct1355153247156
9317500121163
10100557213294
1139711a1a75a
12175a44a7926
1396370a7255
144c1d06aa86
152938104ce9
hex1769ad4e6e

100557213294 has 32 divisors (see below), whose sum is σ = 209742253056. Its totient is φ = 32103394560.

The previous prime is 100557213293. The next prime is 100557213313. The reversal of 100557213294 is 492312755001.

It is a super-2 number, since 2×1005572132942 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100557213293) 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, 2768712 + ... + 2804795.

It is an arithmetic number, because the mean of its divisors is an integer number (6554445408).

Almost surely, 2100557213294 is an apocalyptic number.

100557213294 is an abundant number, since it is smaller than the sum of its proper divisors (109185039762).

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

100557213294 is a wasteful number, since it uses less digits than its factorization.

100557213294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573640.

The product of its (nonzero) digits is 75600, while the sum is 39.

Adding to 100557213294 its reverse (492312755001), we get a palindrome (592869968295).

The spelling of 100557213294 in words is "one hundred billion, five hundred fifty-seven million, two hundred thirteen thousand, two hundred ninety-four".

Divisors: 1 2 3 6 31 62 93 97 186 194 291 582 3007 6014 9021 18042 5573507 11147014 16720521 33441042 172778717 345557434 518336151 540630179 1036672302 1081260358 1621890537 3243781074 16759535549 33519071098 50278606647 100557213294