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74131289237 = 2913771925951
BaseRepresentation
bin100010100001010010…
…0011011010010010101
321002100100002200022002
41011002210123102111
52203310102223422
654015550445045
75233020363455
oct1050244332225
9232310080262
1074131289237
11294911a88a5
121244a503785
136cb53165b5
143833583d65
151ddd16b692
hex114291b495

74131289237 has 16 divisors (see below), whose sum is σ = 77357721600. Its totient is φ = 70951036800.

The previous prime is 74131289189. The next prime is 74131289347. The reversal of 74131289237 is 73298213147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74131289237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74131289191 and 74131289200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74131286237) 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, 2843612 + ... + 2869562.

It is an arithmetic number, because the mean of its divisors is an integer number (4834857600).

Almost surely, 274131289237 is an apocalyptic number.

It is an amenable number.

74131289237 is a deficient number, since it is larger than the sum of its proper divisors (3226432363).

74131289237 is a wasteful number, since it uses less digits than its factorization.

74131289237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836.

The product of its digits is 508032, while the sum is 47.

The spelling of 74131289237 in words is "seventy-four billion, one hundred thirty-one million, two hundred eighty-nine thousand, two hundred thirty-seven".

Divisors: 1 29 137 719 3973 20851 25951 98503 752579 2856587 3555287 18658769 103103323 541104301 2556251353 74131289237