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2102897669615 = 52513315062283
BaseRepresentation
bin11110100110011110011…
…101111111010111101111
321110000221112222001122122
4132212132131333113233
5233423213300411430
64250020255103155
7304633523156651
oct36463635772757
97400845861578
102102897669615
11740919a03a66
1229b680211abb
131233c14a9c02
1473ad06ba6d1
1539a7b7e5ee5
hex1e99e77f5ef

2102897669615 has 16 divisors (see below), whose sum is σ = 2541185571456. Its totient is φ = 1670553060000.

The previous prime is 2102897669591. The next prime is 2102897669651. The reversal of 2102897669615 is 5169667982012.

It is not a de Polignac number, because 2102897669615 - 222 = 2102893475311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115737 + ... + 2946546.

It is an arithmetic number, because the mean of its divisors is an integer number (158824098216).

Almost surely, 22102897669615 is an apocalyptic number.

2102897669615 is a deficient number, since it is larger than the sum of its proper divisors (438287901841).

2102897669615 is a wasteful number, since it uses less digits than its factorization.

2102897669615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062870.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 2102897669615 in words is "two trillion, one hundred two billion, eight hundred ninety-seven million, six hundred sixty-nine thousand, six hundred fifteen".

Divisors: 1 5 251 331 1255 1655 83081 415405 5062283 25311415 1270633033 1675615673 6353165165 8378078365 420579533923 2102897669615