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13120011203120 = 245164000140039
BaseRepresentation
bin1011111011101011110110…
…0110110111001000110000
31201110021001010202022120022
42332322331212313020300
53204424240331444440
643523125553103012
72522614052114063
oct276727546671060
951407033668508
1013120011203120
1141a9190316998
12157a8b5257a68
1374229a295b43
14335024a468da
1517b435601cb5
hexbeebd9b7230

13120011203120 has 20 divisors (see below), whose sum is σ = 30504026047440. Its totient is φ = 5248004481216.

The previous prime is 13120011203083. The next prime is 13120011203137. The reversal of 13120011203120 is 2130211002131.

It is a tau number, because it is divible by the number of its divisors (20).

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, 82000069940 + ... + 82000070099.

It is an arithmetic number, because the mean of its divisors is an integer number (1525201302372).

Almost surely, 213120011203120 is an apocalyptic number.

13120011203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120011203120 is an abundant number, since it is smaller than the sum of its proper divisors (17384014844320).

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

13120011203120 is a wasteful number, since it uses less digits than its factorization.

13120011203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164000140052 (or 164000140046 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13120011203120 its reverse (2130211002131), we get a palindrome (15250222205251).

The spelling of 13120011203120 in words is "thirteen trillion, one hundred twenty billion, eleven million, two hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 164000140039 328000280078 656000560156 820000700195 1312001120312 1640001400390 2624002240624 3280002800780 6560005601560 13120011203120