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8375420837925 = 335212408030871
BaseRepresentation
bin111100111100000110111…
…1110111110000000100101
31002122200102110220222011000
41321320031332332000211
52044210330213303200
625451340515303513
71523050510326501
oct171701576760045
932580373828130
108375420837925
112739aa5797349
12b332675aab99
13489a4cc551cb
1420d530325301
15e7ce5ab9300
hex79e0dfbe025

8375420837925 has 24 divisors (see below), whose sum is σ = 15385958281280. Its totient is φ = 4466891113200.

The previous prime is 8375420837923. The next prime is 8375420837933. The reversal of 8375420837925 is 5297380245738.

8375420837925 is a `hidden beast` number, since 8 + 3 + 7 + 54 + 208 + 379 + 2 + 5 = 666.

It is not a de Polignac number, because 8375420837925 - 21 = 8375420837923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8375420837923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6204014761 + ... + 6204016110.

Almost surely, 28375420837925 is an apocalyptic number.

It is an amenable number.

8375420837925 is a deficient number, since it is larger than the sum of its proper divisors (7010537443355).

8375420837925 is a wasteful number, since it uses less digits than its factorization.

8375420837925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408030890 (or 12408030879 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 8375420837925 in words is "eight trillion, three hundred seventy-five billion, four hundred twenty million, eight hundred thirty-seven thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 12408030871 37224092613 62040154355 111672277839 186120463065 310200771775 335016833517 558361389195 930602315325 1675084167585 2791806945975 8375420837925