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42100431222 = 2369971002821
BaseRepresentation
bin100111001101011000…
…011001100101110110
311000200001101111110110
4213031120121211312
51142210202244342
631201330203450
73020200521663
oct471530314566
9130601344413
1042100431222
1116944661113
1281ab423586
133c7c291785
14207552aa6a
1511660d6c9c
hex9cd619976

42100431222 has 16 divisors (see below), whose sum is σ = 84212980272. Its totient is φ = 14031457440.

The previous prime is 42100431199. The next prime is 42100431283. The reversal of 42100431222 is 22213400124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459429 + ... + 543392.

It is an arithmetic number, because the mean of its divisors is an integer number (5263311267).

Almost surely, 242100431222 is an apocalyptic number.

42100431222 is an abundant number, since it is smaller than the sum of its proper divisors (42112549050).

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

42100431222 is a wasteful number, since it uses less digits than its factorization.

42100431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009823.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42100431222 its reverse (22213400124), we get a palindrome (64313831346).

The spelling of 42100431222 in words is "forty-two billion, one hundred million, four hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 6997 13994 20991 41982 1002821 2005642 3008463 6016926 7016738537 14033477074 21050215611 42100431222