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13012000131020 = 22511107552761263
BaseRepresentation
bin1011110101011001011110…
…1001010100011111001100
31201001221020122212100100112
42331112113221110133030
53201142034013143040
643401344053015152
72512041331132202
oct275262751243714
951057218770315
1013012000131020
1141673a3940850
1215619906244b8
13735045b67767
1432dad9a79072
15178712e31365
hexbd597a547cc

13012000131020 has 48 divisors (see below), whose sum is σ = 30087901122048. Its totient is φ = 4687415501760.

The previous prime is 13012000131017. The next prime is 13012000131113. The reversal of 13012000131020 is 2013100021031.

It is a junction number, because it is equal to n+sod(n) for n = 13012000130986 and 13012000131004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276357092 + ... + 276404171.

It is an arithmetic number, because the mean of its divisors is an integer number (626831273376).

Almost surely, 213012000131020 is an apocalyptic number.

13012000131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012000131020 is an abundant number, since it is smaller than the sum of its proper divisors (17075900991028).

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

13012000131020 is a wasteful number, since it uses less digits than its factorization.

13012000131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552761390 (or 552761388 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13012000131020 its reverse (2013100021031), we get a palindrome (15025100152051).

The spelling of 13012000131020 in words is "thirteen trillion, twelve billion, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 107 110 214 220 428 535 1070 1177 2140 2354 4708 5885 11770 23540 552761263 1105522526 2211045052 2763806315 5527612630 6080373893 11055225260 12160747786 24321495572 30401869465 59145455141 60803738930 118290910282 121607477860 236581820564 295727275705 591454551410 650600006551 1182909102820 1301200013102 2602400026204 3253000032755 6506000065510 13012000131020