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61425430092 = 223213568923071
BaseRepresentation
bin111001001101001111…
…011010111001001100
312212112211210011020100
4321031033122321030
52001244402230332
644115104051100
74303115353365
oct711517327114
9185484704210
1061425430092
1124061065864
12baa3303a90
135a3bb70850
142d89d04b6c
1518e796c67c
hexe4d3dae4c

61425430092 has 72 divisors (see below), whose sum is σ = 167250312320. Its totient is φ = 18895991040.

The previous prime is 61425430037. The next prime is 61425430111. The reversal of 61425430092 is 29003452416.

It is a happy number.

61425430092 is a `hidden beast` number, since 6 + 14 + 254 + 300 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2650917 + ... + 2673987.

Almost surely, 261425430092 is an apocalyptic number.

It is an amenable number.

61425430092 is an abundant number, since it is smaller than the sum of its proper divisors (105824882228).

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

61425430092 is a wasteful number, since it uses less digits than its factorization.

61425430092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28783 (or 28778 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 61425430092 in words is "sixty-one billion, four hundred twenty-five million, four hundred thirty thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 5689 11378 17067 22756 23071 34134 46142 51201 68268 69213 73957 92284 102402 138426 147914 204804 207639 221871 276852 295828 299923 415278 443742 599846 665613 830556 887484 899769 1199692 1331226 1799538 2662452 2699307 3599076 5398614 10797228 131250919 262501838 393752757 525003676 787505514 1181258271 1575011028 1706261947 2362516542 3412523894 4725033084 5118785841 6825047788 10237571682 15356357523 20475143364 30712715046 61425430092