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8680724004 = 223723393667
BaseRepresentation
bin10000001010110100…
…10101011000100100
3211101222022110200110
420011122111120210
5120234231132004
63553214013020
7425054636151
oct100532253044
924358273613
108680724004
113755051477
1218231a7170
13a845937a4
145c4c65228
1535c161589
hex205695624

8680724004 has 12 divisors (see below), whose sum is σ = 20255022704. Its totient is φ = 2893574664.

The previous prime is 8680723973. The next prime is 8680724051. The reversal of 8680724004 is 4004270868.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361696822 + ... + 361696845.

Almost surely, 28680724004 is an apocalyptic number.

It is an amenable number.

8680724004 is an abundant number, since it is smaller than the sum of its proper divisors (11574298700).

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

8680724004 is a wasteful number, since it uses less digits than its factorization.

8680724004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723393674 (or 723393672 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 8680724004 is about 93170.4030473197. The cubic root of 8680724004 is about 2055.1900222695.

The spelling of 8680724004 in words is "eight billion, six hundred eighty million, seven hundred twenty-four thousand, four".

Divisors: 1 2 3 4 6 12 723393667 1446787334 2170181001 2893574668 4340362002 8680724004