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134874479231 = 793674651967
BaseRepresentation
bin111110110011100100…
…1010011101001111111
3110220010122010110001122
41331213021103221333
54202210331313411
6141543244101155
712513213105032
oct1754711235177
9426118113048
10134874479231
1152222144568
12221812347bb
13c945a2567b
146756a15019
153795c739db
hex1f67253a7f

134874479231 has 8 divisors (see below), whose sum is σ = 136953937920. Its totient is φ = 132804325368.

The previous prime is 134874479227. The next prime is 134874479251. The reversal of 134874479231 is 132974478431.

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 134874479231 - 22 = 134874479227 is a prime.

It is a super-2 number, since 2×1348744792312 (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 (134874479221) 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, 2296991 + ... + 2354976.

It is an arithmetic number, because the mean of its divisors is an integer number (17119242240).

Almost surely, 2134874479231 is an apocalyptic number.

134874479231 is a deficient number, since it is larger than the sum of its proper divisors (2079458689).

134874479231 is an equidigital number, since it uses as much as digits as its factorization.

134874479231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652413.

The product of its digits is 4064256, while the sum is 53.

The spelling of 134874479231 in words is "one hundred thirty-four billion, eight hundred seventy-four million, four hundred seventy-nine thousand, two hundred thirty-one".

Divisors: 1 79 367 28993 4651967 367505393 1707271889 134874479231