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3107689920 = 263251079059
BaseRepresentation
bin1011100100111011…
…1001010111000000
322000120200000010200
42321032321113000
522331032034140
61232212325200
7140003633316
oct27116712700
98016600120
103107689920
111355234485
12728913800
133a6abb29a
14216a3a0b6
15132c67030
hexb93b95c0

3107689920 has 84 divisors (see below), whose sum is σ = 10689168360. Its totient is φ = 828716544.

The previous prime is 3107689853. The next prime is 3107689943. The reversal of 3107689920 is 299867013.

3107689920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536650 + ... + 542409.

Almost surely, 23107689920 is an apocalyptic number.

3107689920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3107689920 is an abundant number, since it is smaller than the sum of its proper divisors (7581478440).

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

3107689920 is a wasteful number, since it uses less digits than its factorization.

3107689920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079082 (or 1079069 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 3107689920 is about 55746.6583751887. The cubic root of 3107689920 is about 1459.3044037429.

The spelling of 3107689920 in words is "three billion, one hundred seven million, six hundred eighty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 1079059 2158118 3237177 4316236 5395295 6474354 8632472 9711531 10790590 12948708 16185885 17264944 19423062 21581180 25897416 32371770 34529888 38846124 43162360 48557655 51794832 64743540 69059776 77692248 86324720 97115310 103589664 129487080 155384496 172649440 194230620 207179328 258974160 310768992 345298880 388461240 517948320 621537984 776922480 1035896640 1553844960 3107689920