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13621144486 = 243511330977
BaseRepresentation
bin11001010111110001…
…00010101110100110
31022011021120211111211
430223320202232212
5210344003110421
610131340222034
7661354550335
oct145370425646
938137524454
1013621144486
11585a865504
12278183a91a
131390c91911
14933057d1c
1554ac499e1
hex32be22ba6

13621144486 has 16 divisors (see below), whose sum is σ = 20911636944. Its totient is φ = 6650671104.

The previous prime is 13621144483. The next prime is 13621144487. The reversal of 13621144486 is 68444112631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13621144483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424230 + ... + 455206.

It is an arithmetic number, because the mean of its divisors is an integer number (1306977309).

Almost surely, 213621144486 is an apocalyptic number.

13621144486 is a deficient number, since it is larger than the sum of its proper divisors (7290492458).

13621144486 is a wasteful number, since it uses less digits than its factorization.

13621144486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36135.

The product of its digits is 110592, while the sum is 40.

The spelling of 13621144486 in words is "thirteen billion, six hundred twenty-one million, one hundred forty-four thousand, four hundred eighty-six".

Divisors: 1 2 43 86 5113 10226 30977 61954 219859 439718 1332011 2664022 158385401 316770802 6810572243 13621144486