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40704253057 = 1329611769981
BaseRepresentation
bin100101111010001010…
…011001110010000001
310220001202020022002001
4211322022121302001
51131330242044212
630411013224001
72640455304466
oct457212316201
9126052208061
1040704253057
1116298542866
127a7b932001
133ab8c50750
141d81d3166d
1510d3749657
hex97a299c81

40704253057 has 16 divisors (see below), whose sum is σ = 46090331280. Its totient is φ = 35682796800.

The previous prime is 40704253027. The next prime is 40704253063. The reversal of 40704253057 is 75035240704.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6815493136 + 33888759921 = 82556^2 + 184089^2 .

It is a cyclic number.

It is not a de Polignac number, because 40704253057 - 223 = 40695864449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40704253027) 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, 861994 + ... + 907987.

It is an arithmetic number, because the mean of its divisors is an integer number (2880645705).

Almost surely, 240704253057 is an apocalyptic number.

It is an amenable number.

40704253057 is a deficient number, since it is larger than the sum of its proper divisors (5386078223).

40704253057 is a wasteful number, since it uses less digits than its factorization.

40704253057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770084.

The product of its (nonzero) digits is 117600, while the sum is 37.

It can be divided in two parts, 40704 and 253057, that added together give a triangular number (293761 = T766).

The spelling of 40704253057 in words is "forty billion, seven hundred four million, two hundred fifty-three thousand, fifty-seven".

Divisors: 1 13 29 61 377 793 1769 22997 1769981 23009753 51329449 107968841 667282837 1403594933 3131096389 40704253057