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1390139015025 = 35218535186867
BaseRepresentation
bin10100001110101010101…
…111011111111101110001
311220220012011210212010010
4110032222233133331301
5140234001041440100
62542342051325133
7202301640443505
oct24165257377561
94826164725103
101390139015025
11496611262332
121a55028b07a9
13a1121970617
144b3d6b12305
15262625b1750
hex143aabdff71

1390139015025 has 12 divisors (see below), whose sum is σ = 2298363171632. Its totient is φ = 741407474640.

The previous prime is 1390139015021. The next prime is 1390139015059. The reversal of 1390139015025 is 5205109310931.

It is not a de Polignac number, because 1390139015025 - 22 = 1390139015021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390139015021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9267593359 + ... + 9267593508.

Almost surely, 21390139015025 is an apocalyptic number.

1390139015025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1390139015025 is a deficient number, since it is larger than the sum of its proper divisors (908224156607).

1390139015025 is a wasteful number, since it uses less digits than its factorization.

1390139015025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535186880 (or 18535186875 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 1390139015025 in words is "one trillion, three hundred ninety billion, one hundred thirty-nine million, fifteen thousand, twenty-five".

Divisors: 1 3 5 15 25 75 18535186867 55605560601 92675934335 278027803005 463379671675 1390139015025