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13493642550490 = 254742461676147
BaseRepresentation
bin1100010001011011101111…
…0001010101110011011010
31202202222110011001100022001
43010112323301111303122
53232034434443103430
644410521021351214
72561612020140604
oct304267361256332
952688404040261
1013493642550490
114332692494293
12161b1a970850a
1376b5a297653b
1434914ab90174
151860020c63ca
hexc45bbc55cda

13493642550490 has 32 divisors (see below), whose sum is σ = 24805955268864. Its totient is φ = 5282485285440.

The previous prime is 13493642550467. The next prime is 13493642550503. The reversal of 13493642550490 is 9405524639431.

It is a happy 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, 19618597 + ... + 20294743.

It is an arithmetic number, because the mean of its divisors is an integer number (775186102152).

Almost surely, 213493642550490 is an apocalyptic number.

13493642550490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13493642550490 is a deficient number, since it is larger than the sum of its proper divisors (11312312718374).

13493642550490 is a wasteful number, since it uses less digits than its factorization.

13493642550490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718662.

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 13493642550490 in words is "thirteen trillion, four hundred ninety-three billion, six hundred forty-two million, five hundred fifty thousand, four hundred ninety".

Divisors: 1 2 5 10 47 94 235 470 42461 84922 212305 424610 676147 1352294 1995667 3380735 3991334 6761470 9978335 19956670 31778909 63557818 158894545 317789090 28709877767 57419755534 143549388835 287098777670 1349364255049 2698728510098 6746821275245 13493642550490