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531214340112550 = 25229619591849301
BaseRepresentation
bin111100011001000101111101…
…0000010101100000010100110
32120122212121001201102201011201
41320302023322002230002212
51024111403432032100200
65121444255431553114
7216614653362242353
oct17062137202540246
92518777051381151
10531214340112550
1114429681129a7a6
124b6b4a9382b79a
1319a543b3300423
149526ca865d62a
1541631862c9c6a
hex1e322fa0ac0a6

531214340112550 has 48 divisors (see below), whose sum is σ = 1023780922599600. Its totient is φ = 204827205744000.

The previous prime is 531214340112499. The next prime is 531214340112557. The reversal of 531214340112550 is 55211043412135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531214340112557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295027101 + ... + 296822200.

It is an arithmetic number, because the mean of its divisors is an integer number (21328769220825).

Almost surely, 2531214340112550 is an apocalyptic number.

531214340112550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531214340112550 is a deficient number, since it is larger than the sum of its proper divisors (492566582487050).

531214340112550 is a wasteful number, since it uses less digits than its factorization.

531214340112550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591849961 (or 591849956 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 531214340112550 its reverse (55211043412135), we get a palindrome (586425383524685).

The spelling of 531214340112550 in words is "five hundred thirty-one trillion, two hundred fourteen billion, three hundred forty million, one hundred twelve thousand, five hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 619 725 1238 1450 3095 6190 15475 17951 30950 35902 89755 179510 448775 897550 591849301 1183698602 2959246505 5918493010 14796232525 17163629729 29592465050 34327259458 85818148645 171636297290 366354717319 429090743225 732709434638 858181486450 1831773586595 3663547173190 9158867932975 10624286802251 18317735865950 21248573604502 53121434011255 106242868022510 265607170056275 531214340112550