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13414459618 = 272211648731
BaseRepresentation
bin11000111111001000…
…00110100011100010
31021121212200011011201
430133210012203202
5204433100201433
610055034231414
7653265011500
oct143744064342
937555604151
1013414459618
11576412706a
12272458556a
13135a206991
14913815670
15537a1ea7d
hex31f9068e2

13414459618 has 24 divisors (see below), whose sum is σ = 23517832464. Its totient is φ = 5721798600.

The previous prime is 13414459613. The next prime is 13414459691. The reversal of 13414459618 is 81695441431.

It is not an unprimeable number, because it can be changed into a prime (13414459613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303688 + ... + 345043.

It is an arithmetic number, because the mean of its divisors is an integer number (979909686).

Almost surely, 213414459618 is an apocalyptic number.

13414459618 is a deficient number, since it is larger than the sum of its proper divisors (10103372846).

13414459618 is a wasteful number, since it uses less digits than its factorization.

13414459618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648958 (or 648951 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The spelling of 13414459618 in words is "thirteen billion, four hundred fourteen million, four hundred fifty-nine thousand, six hundred eighteen".

Divisors: 1 2 7 14 49 98 211 422 1477 2954 10339 20678 648731 1297462 4541117 9082234 31787819 63575638 136882241 273764482 958175687 1916351374 6707229809 13414459618