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61630627341870 = 23251740281455779
BaseRepresentation
bin11100000001101011111111…
…01001100110011000101110
322002012211102101102011120200
432000311333221212120232
531034224011044414440
6335024415213254330
715660444253565406
oct1600657751463056
9262184371364520
1061630627341870
1118701447477884
126ab45184943a6
132850987b19312
141130d1c8d1806
1571d249dcec30
hex380d7fa6662e

61630627341870 has 48 divisors (see below), whose sum is σ = 169665491745360. Its totient is φ = 15468079018752.

The previous prime is 61630627341839. The next prime is 61630627341893. The reversal of 61630627341870 is 7814372603616.

It is a happy number.

61630627341870 is a `hidden beast` number, since 6 + 1 + 6 + 3 + 0 + 627 + 3 + 4 + 1 + 8 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20140726360 + ... + 20140729419.

It is an arithmetic number, because the mean of its divisors is an integer number (3534697744695).

Almost surely, 261630627341870 is an apocalyptic number.

61630627341870 is an abundant number, since it is smaller than the sum of its proper divisors (108034864403490).

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

61630627341870 is a wasteful number, since it uses less digits than its factorization.

61630627341870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40281455809 (or 40281455806 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 61630627341870 in words is "sixty-one trillion, six hundred thirty billion, six hundred twenty-seven million, three hundred forty-one thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 306 510 765 1530 40281455779 80562911558 120844367337 201407278895 241688734674 362533102011 402814557790 604221836685 684784748243 725066204022 1208443673370 1369569496486 1812665510055 2054354244729 3423923741215 3625331020110 4108708489458 6163062734187 6847847482430 10271771223645 12326125468374 20543542447290 30815313670935 61630627341870