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13640624276 = 2219991705931
BaseRepresentation
bin11001011010000101…
…10110100010010100
31022012122020111202112
430231002312202110
5210413444434101
610133313530152
7662012251616
oct145502664224
938178214675
1013640624276
11586a85aa04
122788273958
131395022316
14935888db6
1554c7e66bb
hex32d0b6894

13640624276 has 12 divisors (see below), whose sum is σ = 23883048000. Its totient is φ = 6816896280.

The previous prime is 13640624219. The next prime is 13640624369. The reversal of 13640624276 is 67242604631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844970 + ... + 860961.

It is an arithmetic number, because the mean of its divisors is an integer number (1990254000).

Almost surely, 213640624276 is an apocalyptic number.

It is an amenable number.

13640624276 is a deficient number, since it is larger than the sum of its proper divisors (10242423724).

13640624276 is a wasteful number, since it uses less digits than its factorization.

13640624276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707934 (or 1707932 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 13640624276 in words is "thirteen billion, six hundred forty million, six hundred twenty-four thousand, two hundred seventy-six".

Divisors: 1 2 4 1999 3998 7996 1705931 3411862 6823724 3410156069 6820312138 13640624276