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13170120137980 = 2251359858547597
BaseRepresentation
bin1011111110100110100001…
…0101010001110011111100
31201122001101022112221201121
42333221220111101303330
53211234401223403410
644002134125320324
72526336566044141
oct277515025216374
951561338487647
1013170120137980
114218464523353
12158855a7060a4
13746c24787160
14337619a123c8
1517c8b98139da
hexbfa68551cfc

13170120137980 has 48 divisors (see below), whose sum is σ = 30289559257440. Its totient is φ = 4780393014528.

The previous prime is 13170120137957. The next prime is 13170120137983. The reversal of 13170120137980 is 8973102107131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13170120137983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429258459 + ... + 429289138.

It is an arithmetic number, because the mean of its divisors is an integer number (631032484530).

Almost surely, 213170120137980 is an apocalyptic number.

13170120137980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13170120137980 is an abundant number, since it is smaller than the sum of its proper divisors (17119439119460).

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

13170120137980 is a wasteful number, since it uses less digits than its factorization.

13170120137980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858547678 (or 858547676 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 13170120137980 in words is "thirteen trillion, one hundred seventy billion, one hundred twenty million, one hundred thirty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 59 65 118 130 236 260 295 590 767 1180 1534 3068 3835 7670 15340 858547597 1717095194 3434190388 4292737985 8585475970 11161118761 17170951940 22322237522 44644475044 50654308223 55805593805 101308616446 111611187610 202617232892 223222375220 253271541115 506543082230 658506006899 1013086164460 1317012013798 2634024027596 3292530034495 6585060068990 13170120137980