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13517915147420 = 22517367108333989
BaseRepresentation
bin1100010010110110001010…
…0001111100110010011100
31202212022002202020000200112
43010231202201330302130
53232434142234204140
644430013335345152
72563431352616405
oct304554241746234
952768082200615
1013517915147420
114341a08764652
121623a425221b8
13770970597728
1434a3b06a89ac
15186972eb1c65
hexc4b6287cc9c

13517915147420 has 48 divisors (see below), whose sum is σ = 30139382689920. Its totient is φ = 5075230669824.

The previous prime is 13517915147383. The next prime is 13517915147431. The reversal of 13517915147420 is 2474151971531.

It is a super-3 number, since 3×135179151474203 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

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, 54042215 + ... + 54291774.

It is an arithmetic number, because the mean of its divisors is an integer number (627903806040).

Almost surely, 213517915147420 is an apocalyptic number.

13517915147420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13517915147420 is an abundant number, since it is smaller than the sum of its proper divisors (16621467542500).

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

13517915147420 is a wasteful number, since it uses less digits than its factorization.

13517915147420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108334382 (or 108334380 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 13517915147420 in words is "thirteen trillion, five hundred seventeen billion, nine hundred fifteen million, one hundred forty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 367 734 1468 1835 3670 6239 7340 12478 24956 31195 62390 124780 108333989 216667978 433335956 541669945 1083339890 1841677813 2166679780 3683355626 7366711252 9208389065 18416778130 36833556260 39758573963 79517147926 159034295852 198792869815 397585739630 675895757371 795171479260 1351791514742 2703583029484 3379478786855 6758957573710 13517915147420