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161412006613 = 111323311583107
BaseRepresentation
bin1001011001010011100…
…1111100001011010101
3120102122002011111221011
42112110321330023111
510121032433202423
6202052431252221
714442640263364
oct2262471741325
9512562144834
10161412006613
11624aa962680
122734867a071
13122b49603b0
147b5326d7db
1542ea904b0d
hex2594e7c2d5

161412006613 has 32 divisors (see below), whose sum is σ = 204258926592. Its totient is φ = 125381995200.

The previous prime is 161412006583. The next prime is 161412006617. The reversal of 161412006613 is 316600214161.

It is a de Polignac number, because none of the positive numbers 2k-161412006613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161412006617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689595 + ... + 893512.

It is an arithmetic number, because the mean of its divisors is an integer number (6383091456).

Almost surely, 2161412006613 is an apocalyptic number.

161412006613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

161412006613 is a deficient number, since it is larger than the sum of its proper divisors (42846919979).

161412006613 is a wasteful number, since it uses less digits than its factorization.

161412006613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583185.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 161412006613 in words is "one hundred sixty-one billion, four hundred twelve million, six thousand, six hundred thirteen".

Divisors: 1 11 13 23 31 143 253 299 341 403 713 3289 4433 7843 9269 101959 1583107 17414177 20580391 36411461 49076317 226384301 400526071 473348993 539839487 637992121 1128755291 5206838923 7017913331 12416308201 14673818783 161412006613