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12382017725 = 5271122772111
BaseRepresentation
bin10111000100000011…
…01001100010111101
31011221220221200011002
423202001221202331
5200324244031400
65404353340045
7615560262020
oct134201514275
934856850132
1012382017725
115284365200
122496867625
13122434b20c
148566611b7
154c7080ed5
hex2e20698bd

12382017725 has 72 divisors (see below), whose sum is σ = 19366093824. Its totient is φ = 7687152000.

The previous prime is 12382017721. The next prime is 12382017727. The reversal of 12382017725 is 52771028321.

It is not a de Polignac number, because 12382017725 - 22 = 12382017721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12382017721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5864420 + ... + 5866530.

Almost surely, 212382017725 is an apocalyptic number.

It is an amenable number.

12382017725 is a deficient number, since it is larger than the sum of its proper divisors (6984076099).

12382017725 is a wasteful number, since it uses less digits than its factorization.

12382017725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 12382017725 in words is "twelve billion, three hundred eighty-two million, seventeen thousand, seven hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 121 175 275 277 385 605 847 1385 1925 1939 2111 3025 3047 4235 6925 9695 10555 14777 15235 21175 21329 23221 33517 48475 52775 73885 76175 106645 116105 162547 167585 234619 255431 369425 533225 580525 584747 812735 837925 1173095 1277155 1788017 2923735 4063675 4093229 5865475 6385775 6432217 8940085 14618675 20466145 32161085 44700425 45025519 70754387 102330725 160805425 225127595 353771935 495280709 1125637975 1768859675 2476403545 12382017725