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8700695640 = 23325713349761
BaseRepresentation
bin10000001101001101…
…00001010001011000
3211110100220010121200
420012212201101120
5120304334230030
63555210034200
7425416456410
oct100646412130
924410803550
108700695640
11376535245a
121829a18960
13a88767020
145c7783640
1535dca8d60
hex2069a1458

8700695640 has 384 divisors, whose sum is σ = 34948368000. Its totient is φ = 1828085760.

The previous prime is 8700695629. The next prime is 8700695677. The reversal of 8700695640 is 465960078.

8700695640 is a `hidden beast` number, since 87 + 0 + 0 + 6 + 9 + 564 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11432860 + ... + 11433620.

It is an arithmetic number, because the mean of its divisors is an integer number (91011375).

Almost surely, 28700695640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8700695640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17474184000).

8700695640 is an abundant number, since it is smaller than the sum of its proper divisors (26247672360).

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

8700695640 is a wasteful number, since it uses less digits than its factorization.

8700695640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 8700695640 is about 93277.5194781679. The cubic root of 8700695640 is about 2056.7649319797.

The spelling of 8700695640 in words is "eight billion, seven hundred million, six hundred ninety-five thousand, six hundred forty".