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8870553868642 = 2271143911373409
BaseRepresentation
bin1000000100010101011000…
…1101100101100101100010
31011102000110011002000122221
42001011112031211211202
52130313343242244032
630511024242421254
71603606410544264
oct201052615454542
934360404060587
108870553868642
11290aa87449784
12bb320a66182a
134c46499814ab
142294a0dd5b34
15105b242c2597
hex81156365962

8870553868642 has 16 divisors (see below), whose sum is σ = 13364211686400. Its totient is φ = 4415839390080.

The previous prime is 8870553868633. The next prime is 8870553868651. The reversal of 8870553868642 is 2468683550788.

It is an interprime number because it is at equal distance from previous prime (8870553868633) and next prime (8870553868651).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4906767 + ... + 6466642.

It is an arithmetic number, because the mean of its divisors is an integer number (835263230400).

Almost surely, 28870553868642 is an apocalyptic number.

8870553868642 is a deficient number, since it is larger than the sum of its proper divisors (4493657817758).

8870553868642 is a wasteful number, since it uses less digits than its factorization.

8870553868642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375121.

The product of its (nonzero) digits is 619315200, while the sum is 70.

The spelling of 8870553868642 in words is "eight trillion, eight hundred seventy billion, five hundred fifty-three million, eight hundred sixty-eight thousand, six hundred forty-two".

Divisors: 1 2 271 542 1439 2878 389969 779938 11373409 22746818 3082193839 6164387678 16366335551 32732671102 4435276934321 8870553868642