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6448125823768 = 23806015727971
BaseRepresentation
bin101110111010101001000…
…1111111100101100011000
3211211102201222100002001101
41131311102033330230120
51321121230202330033
621414121134401144
71233601366111246
oct135652217745430
924742658302041
106448125823768
1120666a8a1a522
128818343601b4
1337a095379425
1418413b81b796
15b2ae591997d
hex5dd523fcb18

6448125823768 has 8 divisors (see below), whose sum is σ = 12090235919580. Its totient is φ = 3224062911880.

The previous prime is 6448125823753. The next prime is 6448125823849. The reversal of 6448125823768 is 8673285218446.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×64481258237683 (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403007863978 + ... + 403007863993.

Almost surely, 26448125823768 is an apocalyptic number.

It is an amenable number.

6448125823768 is a deficient number, since it is larger than the sum of its proper divisors (5642110095812).

6448125823768 is a wasteful number, since it uses less digits than its factorization.

6448125823768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806015727977 (or 806015727973 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 64.

The spelling of 6448125823768 in words is "six trillion, four hundred forty-eight billion, one hundred twenty-five million, eight hundred twenty-three thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 806015727971 1612031455942 3224062911884 6448125823768