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42112131211201 = 618949871155539
BaseRepresentation
bin10011001001100111111101…
…00111110001111111000001
312112002212202211102120210211
421210303332213301333001
521004431121042224301
6225322013534154121
711604333604111012
oct1144637647617701
9175085684376724
1042112131211201
1112466722231537
124881743652941
131a66206a23c3c
14a58349201009
154d0676e72051
hex264cfe9f1fc1

42112131211201 has 16 divisors (see below), whose sum is σ = 43284567110400. Its totient is φ = 40955270716800.

The previous prime is 42112131211159. The next prime is 42112131211231. The reversal of 42112131211201 is 10211213121124.

It is a cyclic number.

It is not a de Polignac number, because 42112131211201 - 215 = 42112131178433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42112131211231) 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, 270671890 + ... + 270827428.

It is an arithmetic number, because the mean of its divisors is an integer number (2705285444400).

Almost surely, 242112131211201 is an apocalyptic number.

It is an amenable number.

42112131211201 is a deficient number, since it is larger than the sum of its proper divisors (1172435899199).

42112131211201 is a wasteful number, since it uses less digits than its factorization.

42112131211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205560.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 42112131211201 its reverse (10211213121124), we get a palindrome (52323344332325).

The spelling of 42112131211201 in words is "forty-two trillion, one hundred twelve billion, one hundred thirty-one million, two hundred eleven thousand, two hundred one".

Divisors: 1 61 89 5429 49871 155539 3042131 4438519 9487879 13842971 270749659 844421231 7756885469 473170013609 690362806741 42112131211201