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7680368736 = 253226667947
BaseRepresentation
bin1110010011100100…
…10010000001100000
3201211020222011020100
413021302102001200
5111212133244421
63310040542400
7361220025405
oct71162220140
921736864210
107680368736
113291405787
1215a4181a00
139552609b1
1452c0642ac
152ee40ec26
hex1c9c92060

7680368736 has 36 divisors (see below), whose sum is σ = 21841049412. Its totient is φ = 2560122816.

The previous prime is 7680368687. The next prime is 7680368737. The reversal of 7680368736 is 6378630867.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680368737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13333686 + ... + 13334261.

It is an arithmetic number, because the mean of its divisors is an integer number (606695817).

Almost surely, 27680368736 is an apocalyptic number.

It is an amenable number.

7680368736 is an abundant number, since it is smaller than the sum of its proper divisors (14160680676).

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

7680368736 is a wasteful number, since it uses less digits than its factorization.

7680368736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26667963 (or 26667952 counting only the distinct ones).

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

The square root of 7680368736 is about 87637.7129779184. The cubic root of 7680368736 is about 1973.0012346943.

The spelling of 7680368736 in words is "seven billion, six hundred eighty million, three hundred sixty-eight thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 26667947 53335894 80003841 106671788 160007682 213343576 240011523 320015364 426687152 480023046 640030728 853374304 960046092 1280061456 1920092184 2560122912 3840184368 7680368736