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39427602920 = 235171132631951
BaseRepresentation
bin100100101110000100…
…010111100111101000
310202202202222202022122
4210232010113213220
51121221431243140
630040210210412
72564024044436
oct445604274750
9122682882278
1039427602920
11157a2943702
127784283a08
1339445cc874
141ca056bd56
15105b61cab5
hex92e1179e8

39427602920 has 128 divisors (see below), whose sum is σ = 95170775040. Its totient is φ = 14648524800.

The previous prime is 39427602919. The next prime is 39427602979. The reversal of 39427602920 is 2920672493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20207945 + ... + 20209895.

It is an arithmetic number, because the mean of its divisors is an integer number (743521680).

Almost surely, 239427602920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39427602920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47585387520).

39427602920 is an abundant number, since it is smaller than the sum of its proper divisors (55743172120).

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

39427602920 is a wasteful number, since it uses less digits than its factorization.

39427602920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 39427602920 in words is "thirty-nine billion, four hundred twenty-seven million, six hundred two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 113 136 170 226 263 340 452 526 565 680 904 1052 1130 1315 1921 1951 2104 2260 2630 3842 3902 4471 4520 5260 7684 7804 8942 9605 9755 10520 15368 15608 17884 19210 19510 22355 29719 33167 35768 38420 39020 44710 59438 66334 76840 78040 89420 118876 132668 148595 165835 178840 220463 237752 265336 297190 331670 440926 505223 513113 594380 663340 881852 1010446 1026226 1102315 1188760 1326680 1763704 2020892 2052452 2204630 2526115 2565565 3747871 4041784 4104904 4409260 5052230 5131130 7495742 8722921 8818520 10104460 10262260 14991484 17445842 18739355 20208920 20524520 29982968 34891684 37478710 43614605 57981769 69783368 74957420 87229210 115963538 149914840 174458420 231927076 289908845 348916840 463854152 579817690 985690073 1159635380 1971380146 2319270760 3942760292 4928450365 7885520584 9856900730 19713801460 39427602920