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167490490133 = 199798383327
BaseRepresentation
bin1001101111111100110…
…1100000111100010101
3121000022200220110202102
42123333031200330111
510221010031141013
6204535530251445
715046366450601
oct2337715407425
9530280813672
10167490490133
116503a01927a
1228564286b85
1312a430781c5
14816c66c501
154554391d58
hex26ff360f15

167490490133 has 4 divisors (see below), whose sum is σ = 167498893440. Its totient is φ = 167482086828.

The previous prime is 167490490117. The next prime is 167490490159. The reversal of 167490490133 is 331094094761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331094094761 = 2879115003159.

It is a cyclic number.

It is not a de Polignac number, because 167490490133 - 24 = 167490490117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167490492133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4171685 + ... + 4211642.

It is an arithmetic number, because the mean of its divisors is an integer number (41874723360).

Almost surely, 2167490490133 is an apocalyptic number.

It is an amenable number.

167490490133 is a deficient number, since it is larger than the sum of its proper divisors (8403307).

167490490133 is an equidigital number, since it uses as much as digits as its factorization.

167490490133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8403306.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 167490490133 in words is "one hundred sixty-seven billion, four hundred ninety million, four hundred ninety thousand, one hundred thirty-three".

Divisors: 1 19979 8383327 167490490133