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25052530340 = 2253171569117
BaseRepresentation
bin10111010101001111…
…110100011010100100
32101122221202101220002
4113111033310122210
5402301421432330
615301534400432
71544552665025
oct272517643244
971587671802
1025052530340
11a696555932
124a32060118
132493399566
1412d933cc4c
159b95ebe45
hex5d53f46a4

25052530340 has 48 divisors (see below), whose sum is σ = 55072410624. Its totient is φ = 9561148800.

The previous prime is 25052530333. The next prime is 25052530343. The reversal of 25052530340 is 4303525052.

It is not an unprimeable number, because it can be changed into a prime (25052530343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240539 + ... + 328578.

It is an arithmetic number, because the mean of its divisors is an integer number (1147341888).

Almost surely, 225052530340 is an apocalyptic number.

25052530340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25052530340 is an abundant number, since it is smaller than the sum of its proper divisors (30019880284).

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

25052530340 is a wasteful number, since it uses less digits than its factorization.

25052530340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569228 (or 569226 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The spelling of 25052530340 in words is "twenty-five billion, fifty-two million, five hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 71 124 142 155 284 310 355 620 710 1420 2201 4402 8804 11005 22010 44020 569117 1138234 2276468 2845585 5691170 11382340 17642627 35285254 40407307 70570508 80814614 88213135 161629228 176426270 202036535 352852540 404073070 808146140 1252626517 2505253034 5010506068 6263132585 12526265170 25052530340