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128970067676418 = 2327165003759801
BaseRepresentation
bin11101010100110000101111…
…000100100000110100000010
3121220122102021202122021111200
4131110300233010200310002
5113401021144311121133
61134144010421522030
736110531335332063
oct3524605704406402
9556572252567450
10128970067676418
1138103997a62631
121256b31a873316
1356c6a95c5b597
1423bc2826c656a
15ed9c1a125913
hex754c2f120d02

128970067676418 has 12 divisors (see below), whose sum is σ = 279435146632278. Its totient is φ = 42990022558800.

The previous prime is 128970067676347. The next prime is 128970067676473. The reversal of 128970067676418 is 814676760079821.

128970067676418 is a `hidden beast` number, since 1 + 2 + 8 + 9 + 70 + 0 + 6 + 76 + 76 + 418 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73962287617689 + 55007780058729 = 8600133^2 + 7416723^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3582501879883 + ... + 3582501879918.

Almost surely, 2128970067676418 is an apocalyptic number.

128970067676418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

128970067676418 is an abundant number, since it is smaller than the sum of its proper divisors (150465078955860).

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

128970067676418 is a wasteful number, since it uses less digits than its factorization.

128970067676418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165003759809 (or 7165003759806 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 72.

The spelling of 128970067676418 in words is "one hundred twenty-eight trillion, nine hundred seventy billion, sixty-seven million, six hundred seventy-six thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 7165003759801 14330007519602 21495011279403 42990022558806 64485033838209 128970067676418