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12940004140 = 225792428601
BaseRepresentation
bin11000000110100100…
…01100101100101100
31020101210220022121121
430003102030230230
5203000120113030
65540005110324
7635444135410
oct140322145454
936353808547
1012940004140
1155403276a8
1226116b83a4
1312b2b268ab
148aa7ccd40
1550b05047a
hex30348cb2c

12940004140 has 24 divisors (see below), whose sum is σ = 31056010272. Its totient is φ = 4436572800.

The previous prime is 12940004101. The next prime is 12940004141. The reversal of 12940004140 is 4140004921.

It is not an unprimeable number, because it can be changed into a prime (12940004141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46214161 + ... + 46214440.

It is an arithmetic number, because the mean of its divisors is an integer number (1294000428).

Almost surely, 212940004140 is an apocalyptic number.

12940004140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12940004140 is an abundant number, since it is smaller than the sum of its proper divisors (18116006132).

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

12940004140 is a wasteful number, since it uses less digits than its factorization.

12940004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92428617 (or 92428615 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12940004140 in words is "twelve billion, nine hundred forty million, four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 92428601 184857202 369714404 462143005 647000207 924286010 1294000414 1848572020 2588000828 3235001035 6470002070 12940004140