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3130681920 = 263517191831
BaseRepresentation
bin1011101010011010…
…0110101001000000
322002011221010020020
42322212212221000
522402423310140
61234353213440
7140403233352
oct27246465100
98064833206
103130681920
111367208733
12734561280
133ab7ab512
14219b030d2
15134ca96d0
hexba9a6a40

3130681920 has 112 divisors (see below), whose sum is σ = 10524670848. Its totient is φ = 785735680.

The previous prime is 3130681919. The next prime is 3130681969. The reversal of 3130681920 is 291860313.

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, 79596 + ... + 112235.

Almost surely, 23130681920 is an apocalyptic number.

3130681920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3130681920 is an abundant number, since it is smaller than the sum of its proper divisors (7393988928).

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

3130681920 is a wasteful number, since it uses less digits than its factorization.

3130681920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191868 (or 191858 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3130681920 is about 55952.4969952191. The cubic root of 3130681920 is about 1462.8944144789.

The spelling of 3130681920 in words is "three billion, one hundred thirty million, six hundred eighty-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 160 170 192 204 240 255 272 320 340 408 480 510 544 680 816 960 1020 1088 1360 1632 2040 2720 3264 4080 5440 8160 16320 191831 383662 575493 767324 959155 1150986 1534648 1918310 2301972 2877465 3069296 3261127 3836620 4603944 5754930 6138592 6522254 7673240 9207888 9783381 11509860 12277184 13044508 15346480 16305635 18415776 19566762 23019720 26089016 30692960 32611270 36831552 39133524 46039440 48916905 52178032 61385920 65222540 78267048 92078880 97833810 104356064 130445080 156534096 184157760 195667620 208712128 260890160 313068192 391335240 521780320 626136384 782670480 1043560640 1565340960 3130681920