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68870580748 = 22232925813561
BaseRepresentation
bin100000000100100000…
…0011010101000001100
320120202201010222220221
41000021000122220030
52112021332040443
651345543321124
74655451164104
oct1001100325014
9216681128827
1068870580748
1127231713732
12114207501a4
136657466138
143494a1a204
151bd13b7eed
hex100901aa0c

68870580748 has 24 divisors (see below), whose sum is σ = 130100352480. Its totient is φ = 31802305920.

The previous prime is 68870580743. The next prime is 68870580769. The reversal of 68870580748 is 84708507886.

It is not an unprimeable number, because it can be changed into a prime (68870580743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12904113 + ... + 12909448.

It is an arithmetic number, because the mean of its divisors is an integer number (5420848020).

Almost surely, 268870580748 is an apocalyptic number.

It is an amenable number.

68870580748 is a deficient number, since it is larger than the sum of its proper divisors (61229771732).

68870580748 is a wasteful number, since it uses less digits than its factorization.

68870580748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25813617 (or 25813615 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 61.

The spelling of 68870580748 in words is "sixty-eight billion, eight hundred seventy million, five hundred eighty thousand, seven hundred forty-eight".

Divisors: 1 2 4 23 29 46 58 92 116 667 1334 2668 25813561 51627122 103254244 593711903 748593269 1187423806 1497186538 2374847612 2994373076 17217645187 34435290374 68870580748