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137238286842 = 23219139918059
BaseRepresentation
bin111111111010000001…
…0100001000111111010
3111010020101001022111200
41333310002201013322
54222031000134332
6143014004435030
712625615122306
oct1776402410772
9433211038450
10137238286842
1153225487178
12227209a8a76
13cc3167b8b7
1468dc932d06
15388354b17c
hex1ff40a11fa

137238286842 has 24 divisors (see below), whose sum is σ = 298906433280. Its totient is φ = 45506586120.

The previous prime is 137238286811. The next prime is 137238286853. The reversal of 137238286842 is 248682832731.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19955592 + ... + 19962467.

It is an arithmetic number, because the mean of its divisors is an integer number (12454434720).

Almost surely, 2137238286842 is an apocalyptic number.

137238286842 is an abundant number, since it is smaller than the sum of its proper divisors (161668146438).

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

137238286842 is a wasteful number, since it uses less digits than its factorization.

137238286842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39918258 (or 39918255 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 137238286842 in words is "one hundred thirty-seven billion, two hundred thirty-eight million, two hundred eighty-six thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 39918059 79836118 119754177 239508354 359262531 718525062 7624349269 15248698538 22873047807 45746095614 68619143421 137238286842