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12929633380 = 2251934025351
BaseRepresentation
bin11000000101010101…
…01000110001100100
31020101002101102121101
430002222220301210
5202434441232010
65534554525444
7635260033066
oct140252506144
936332342541
1012929633380
115535493a24
12260a136884
1312b0935351
148a928d736
1550a1a273a
hex302aa8c64

12929633380 has 24 divisors (see below), whose sum is σ = 28581295680. Its totient is φ = 4899650400.

The previous prime is 12929633329. The next prime is 12929633389. The reversal of 12929633380 is 8333692921.

It is a self number, because there is not a number n which added to its sum of digits gives 12929633380.

It is not an unprimeable number, because it can be changed into a prime (12929633389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012296 + ... + 17013055.

It is an arithmetic number, because the mean of its divisors is an integer number (1190887320).

Almost surely, 212929633380 is an apocalyptic number.

12929633380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12929633380 is an abundant number, since it is smaller than the sum of its proper divisors (15651662300).

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

12929633380 is a wasteful number, since it uses less digits than its factorization.

12929633380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025379 (or 34025377 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 12929633380 in words is "twelve billion, nine hundred twenty-nine million, six hundred thirty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 34025351 68050702 136101404 170126755 340253510 646481669 680507020 1292963338 2585926676 3232408345 6464816690 12929633380