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163145322053 = 734949666871
BaseRepresentation
bin1001011111110000111…
…0000000111001000101
3120121002212201001201022
42113330032000321011
510133110200301203
6202540430240525
714533615233230
oct2277416007105
9517085631638
10163145322053
116320a31017a
1227751056145
13124ccaa2a2c
147c79548417
15439cb89a38
hex25fc380e45

163145322053 has 8 divisors (see below), whose sum is σ = 186457411200. Its totient is φ = 139834636560.

The previous prime is 163145322047. The next prime is 163145322059. The reversal of 163145322053 is 350223541361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163145322047) and next prime (163145322059).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163145322053 - 28 = 163145321797 is a prime.

It is a super-2 number, since 2×1631453220532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163145322059) 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, 88793 + ... + 578078.

It is an arithmetic number, because the mean of its divisors is an integer number (23307176400).

Almost surely, 2163145322053 is an apocalyptic number.

It is an amenable number.

163145322053 is a deficient number, since it is larger than the sum of its proper divisors (23312089147).

163145322053 is an equidigital number, since it uses as much as digits as its factorization.

163145322053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701827.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 163145322053 in words is "one hundred sixty-three billion, one hundred forty-five million, three hundred twenty-two thousand, fifty-three".

Divisors: 1 7 34949 244643 666871 4668097 23306474579 163145322053