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104620215511 = 7216191318781
BaseRepresentation
bin110000101101111011…
…0011100110011010111
3101000001011101121102201
41201123312130303113
53203230233344021
6120021210145331
710362405105400
oct1413366346327
9330034347381
10104620215511
1140407425429
1218339122247
139b33a87286
1450c69009a7
152ac4b72591
hex185bd9ccd7

104620215511 has 12 divisors (see below), whose sum is σ = 121776329880. Its totient is φ = 89619013680.

The previous prime is 104620215487. The next prime is 104620215533. The reversal of 104620215511 is 115512026401.

It is not a de Polignac number, because 104620215511 - 29 = 104620214999 is a prime.

It is a super-2 number, since 2×1046202155112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104620215511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104620215611) 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, 580060 + ... + 738721.

It is an arithmetic number, because the mean of its divisors is an integer number (10148027490).

Almost surely, 2104620215511 is an apocalyptic number.

104620215511 is a deficient number, since it is larger than the sum of its proper divisors (17156114369).

104620215511 is a wasteful number, since it uses less digits than its factorization.

104620215511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320414 (or 1320407 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 104620215511 in words is "one hundred four billion, six hundred twenty million, two hundred fifteen thousand, five hundred eleven".

Divisors: 1 7 49 1619 11333 79331 1318781 9231467 64620269 2135106439 14945745073 104620215511