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61025052360 = 23351231413113
BaseRepresentation
bin111000110101011000…
…000110011011001000
312211111221101212020110
4320311120012123020
51444434403133420
644011242354320
74260154246356
oct706530063310
9184457355213
1061025052360
1123976062078
12b9b11bb9a0
1359a6c2934c
142d4ca827d6
1518c2731ee0
hexe356066c8

61025052360 has 64 divisors (see below), whose sum is σ = 183224321280. Its totient is φ = 16260088320.

The previous prime is 61025052311. The next prime is 61025052373. The reversal of 61025052360 is 6325052016.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58837 + ... + 354276.

It is an arithmetic number, because the mean of its divisors is an integer number (2862880020).

Almost surely, 261025052360 is an apocalyptic number.

61025052360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61025052360 is an abundant number, since it is smaller than the sum of its proper divisors (122199268920).

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

61025052360 is a wasteful number, since it uses less digits than its factorization.

61025052360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414358 (or 414354 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 61025052360 in words is "sixty-one billion, twenty-five million, fifty-two thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1231 2462 3693 4924 6155 7386 9848 12310 14772 18465 24620 29544 36930 49240 73860 147720 413113 826226 1239339 1652452 2065565 2478678 3304904 4131130 4957356 6196695 8262260 9914712 12393390 16524520 24786780 49573560 508542103 1017084206 1525626309 2034168412 2542710515 3051252618 4068336824 5085421030 6102505236 7628131545 10170842060 12205010472 15256263090 20341684120 30512526180 61025052360