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12103698994 = 297173360637
BaseRepresentation
bin10110100010110111…
…11100101000110010
31011020112020121121221
423101123330220302
5144242021331434
65321012135254
7605640513112
oct132133745062
934215217557
1012103698994
11515124a222
12241960752a
1311ab7a1b8a
1482b6d3042
154ac9062b4
hex2d16fca32

12103698994 has 16 divisors (see below), whose sum is σ = 18448797528. Its totient is φ = 5954821632.

The previous prime is 12103698983. The next prime is 12103699021. The reversal of 12103698994 is 49989630121.

It can be written as a sum of positive squares in 4 ways, for example, as 11982148369 + 121550625 = 109463^2 + 11025^2 .

It is a super-2 number, since 2×121036989942 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146757 + ... + 213880.

Almost surely, 212103698994 is an apocalyptic number.

12103698994 is a deficient number, since it is larger than the sum of its proper divisors (6345098534).

12103698994 is a wasteful number, since it uses less digits than its factorization.

12103698994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360909.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 12103698994 in words is "twelve billion, one hundred three million, six hundred ninety-eight thousand, nine hundred ninety-four".

Divisors: 1 2 97 173 194 346 16781 33562 360637 721274 34981789 62390201 69963578 124780402 6051849497 12103698994