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54100242012 = 22324118706861
BaseRepresentation
bin110010011000101000…
…000010111001011100
312011122100011001021010
4302120220002321130
51341244130221022
640504151535220
73623440320045
oct623050027134
9164570131233
1054100242012
1120a421a3613
12a59a08a510
13514238b12b
1428930d98cc
15161981b50c
hexc98a02e5c

54100242012 has 24 divisors (see below), whose sum is σ = 126757696912. Its totient is φ = 17958585600.

The previous prime is 54100241957. The next prime is 54100242017. The reversal of 54100242012 is 21024200145.

It is a self number, because there is not a number n which added to its sum of digits gives 54100242012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54100242017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9350539 + ... + 9356322.

Almost surely, 254100242012 is an apocalyptic number.

It is an amenable number.

54100242012 is an abundant number, since it is smaller than the sum of its proper divisors (72657454900).

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

54100242012 is a wasteful number, since it uses less digits than its factorization.

54100242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18707109 (or 18707107 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 54100242012 its reverse (21024200145), we get a palindrome (75124442157).

The spelling of 54100242012 in words is "fifty-four billion, one hundred million, two hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 241 482 723 964 1446 2892 18706861 37413722 56120583 74827444 112241166 224482332 4508353501 9016707002 13525060503 18033414004 27050121006 54100242012