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13147200012 = 2232071952879
BaseRepresentation
bin11000011111010001…
…00101101000001100
31020221020202221220210
430033220211220030
5203411140400022
610012330042420
7643541233122
oct141750455014
936836687823
1013147200012
115637284a61
12266ab79410
131316a302bb
148ca125912
1551e32ba0c
hex30fa25a0c

13147200012 has 24 divisors (see below), whose sum is σ = 30678860800. Its totient is φ = 4382105616.

The previous prime is 13147199959. The next prime is 13147200013. The reversal of 13147200012 is 21000274131.

It is not an unprimeable number, because it can be changed into a prime (13147200013) 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, 222189 + ... + 275067.

Almost surely, 213147200012 is an apocalyptic number.

13147200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13147200012 is an abundant number, since it is smaller than the sum of its proper divisors (17531660788).

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

13147200012 is a wasteful number, since it uses less digits than its factorization.

13147200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73605 (or 73603 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 13147200012 its reverse (21000274131), we get a palindrome (34147474143).

The spelling of 13147200012 in words is "thirteen billion, one hundred forty-seven million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 20719 41438 52879 62157 82876 105758 124314 158637 211516 248628 317274 634548 1095600001 2191200002 3286800003 4382400004 6573600006 13147200012