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42003215632631 = 1113984193262981
BaseRepresentation
bin10011000110011101000101…
…01111110100100011110111
312111201110122022112220222102
421203032202233310203313
521001140041200221011
6225200002203252315
711563426561011041
oct1143164257644367
9174643568486872
1042003215632631
1112424511226290
124864607b1a09b
131a58b6a0b1c26
14a52d76062a91
154cc90018473b
hex2633a2bf48f7

42003215632631 has 16 divisors (see below), whose sum is σ = 46156838179200. Its totient is φ = 37905516583200.

The previous prime is 42003215632541. The next prime is 42003215632661. The reversal of 42003215632631 is 13623651230024.

It is a cyclic number.

It is not a de Polignac number, because 42003215632631 - 210 = 42003215631607 is a prime.

It is a super-2 number, since 2×420032156326312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003215632661) 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, 11241161 + ... + 14504141.

It is an arithmetic number, because the mean of its divisors is an integer number (2884802386200).

Almost surely, 242003215632631 is an apocalyptic number.

42003215632631 is a deficient number, since it is larger than the sum of its proper divisors (4153622546569).

42003215632631 is a wasteful number, since it uses less digits than its factorization.

42003215632631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271550.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 42003215632631 its reverse (13623651230024), we get a palindrome (55626866862655).

The spelling of 42003215632631 in words is "forty-two trillion, three billion, two hundred fifteen million, six hundred thirty-two thousand, six hundred thirty-one".

Divisors: 1 11 139 1529 8419 92609 1170241 3262981 12872651 35892791 453554359 4989097949 27471037039 302181407429 3818474148421 42003215632631