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8680043004 = 2231973671761
BaseRepresentation
bin10000001010101111…
…01111000111111100
3211101221000212112020
420011113233013330
5120234042334004
63553151240140
7425046101553
oct100527570774
924357025466
108680043004
113754726866
121822b19050
13a843b5829
145c4b28d9a
1535c0798d9
hex2055ef1fc

8680043004 has 24 divisors (see below), whose sum is σ = 20356248528. Its totient is φ = 2878659840.

The previous prime is 8680043003. The next prime is 8680043033. The reversal of 8680043004 is 4003400868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8680043003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833517 + ... + 1838244.

It is an arithmetic number, because the mean of its divisors is an integer number (848177022).

Almost surely, 28680043004 is an apocalyptic number.

It is an amenable number.

8680043004 is an abundant number, since it is smaller than the sum of its proper divisors (11676205524).

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

8680043004 is a wasteful number, since it uses less digits than its factorization.

8680043004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671965 (or 3671963 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 8680043004 is about 93166.7483815980. The cubic root of 8680043004 is about 2055.1362778658.

The spelling of 8680043004 in words is "eight billion, six hundred eighty million, forty-three thousand, four".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 3671761 7343522 11015283 14687044 22030566 44061132 723336917 1446673834 2170010751 2893347668 4340021502 8680043004