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8481925693439 = 1110694241170081
BaseRepresentation
bin111101101101101101000…
…1010101111111111111111
31010000212022222121012122022
41323123122022233333333
52102431440434142224
630012313132110355
71533541011552362
oct173333212577777
933025288535568
108481925693439
112780189a266a0
12b4ba2b9053bb
13496ac42c5883
142147552520d9
15ea97ae1365e
hex7b6da2affff

8481925693439 has 16 divisors (see below), whose sum is σ = 9263903916960. Its totient is φ = 7701766656000.

The previous prime is 8481925693427. The next prime is 8481925693441. The reversal of 8481925693439 is 9343965291848.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8481925693439 is a prime.

It is a super-2 number, since 2×84819256934392 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481925693489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49784879 + ... + 49954959.

It is an arithmetic number, because the mean of its divisors is an integer number (578993994810).

Almost surely, 28481925693439 is an apocalyptic number.

8481925693439 is a deficient number, since it is larger than the sum of its proper divisors (781978223521).

8481925693439 is a wasteful number, since it uses less digits than its factorization.

8481925693439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175402.

The product of its digits is 403107840, while the sum is 71.

The spelling of 8481925693439 in words is "eight trillion, four hundred eighty-one billion, nine hundred twenty-five million, six hundred ninety-three thousand, four hundred thirty-nine".

Divisors: 1 11 1069 4241 11759 46651 170081 1870891 4533629 49869919 181816589 721313521 1999982479 7934448731 771084153949 8481925693439