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13641766972 = 228813871103
BaseRepresentation
bin11001011010001110…
…01101100000111100
31022012201101120020121
430231013031200330
5210414243020342
610133354224324
7662025051241
oct145507154074
938181346217
1013641766972
115870470489
1227887250a4
131395332482
14935aa55c8
1554c970067
hex32d1cd83c

13641766972 has 12 divisors (see below), whose sum is σ = 23900196096. Its totient is φ = 6813139520.

The previous prime is 13641766949. The next prime is 13641766993. The reversal of 13641766972 is 27966714631.

13641766972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136417669722 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932028 + ... + 1939075.

It is an arithmetic number, because the mean of its divisors is an integer number (1991683008).

Almost surely, 213641766972 is an apocalyptic number.

It is an amenable number.

13641766972 is a deficient number, since it is larger than the sum of its proper divisors (10258429124).

13641766972 is a wasteful number, since it uses less digits than its factorization.

13641766972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871988 (or 3871986 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The spelling of 13641766972 in words is "thirteen billion, six hundred forty-one million, seven hundred sixty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 881 1762 3524 3871103 7742206 15484412 3410441743 6820883486 13641766972