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12353669916 = 2237147067499
BaseRepresentation
bin10111000000101011…
…00000101100011100
31011212221121110021020
423200111200230130
5200300014414131
65401502004140
7615064314240
oct134025405434
934787543236
1012353669916
11526a363065
122489276650
13121b504273
148529a2420
154c4831996
hex2e0560b1c

12353669916 has 24 divisors (see below), whose sum is σ = 32943120000. Its totient is φ = 3529619952.

The previous prime is 12353669899. The next prime is 12353669941. The reversal of 12353669916 is 61996635321.

It is a happy number.

It is a super-2 number, since 2×123536699162 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 73533666 + ... + 73533833.

It is an arithmetic number, because the mean of its divisors is an integer number (1372630000).

Almost surely, 212353669916 is an apocalyptic number.

It is an amenable number.

12353669916 is an abundant number, since it is smaller than the sum of its proper divisors (20589450084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12353669916 is a wasteful number, since it uses less digits than its factorization.

12353669916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147067513 (or 147067511 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 51.

The spelling of 12353669916 in words is "twelve billion, three hundred fifty-three million, six hundred sixty-nine thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 147067499 294134998 441202497 588269996 882404994 1029472493 1764809988 2058944986 3088417479 4117889972 6176834958 12353669916