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134786995831 = 2694561109859
BaseRepresentation
bin111110110000111101…
…1100101011001110111
3110212220112111211101201
41331201323211121313
54202020432331311
6141530441033331
712511101363265
oct1754173453167
9425815454351
10134786995831
1152187821a34
1222157a85847
13c930875047
146749161435
15378d2429c1
hex1f61ee5677

134786995831 has 8 divisors (see below), whose sum is σ = 135318956400. Its totient is φ = 134255264640.

The previous prime is 134786995807. The next prime is 134786995853. The reversal of 134786995831 is 138599687431.

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 134786995831 - 25 = 134786995799 is a prime.

It is a super-2 number, since 2×1347869958312 (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 (134786995801) 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, 1171980 + ... + 1281838.

It is an arithmetic number, because the mean of its divisors is an integer number (16914869550).

Almost surely, 2134786995831 is an apocalyptic number.

134786995831 is a deficient number, since it is larger than the sum of its proper divisors (531960569).

134786995831 is a wasteful number, since it uses less digits than its factorization.

134786995831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114689.

The product of its digits is 39191040, while the sum is 64.

The spelling of 134786995831 in words is "one hundred thirty-four billion, seven hundred eighty-six million, nine hundred ninety-five thousand, eight hundred thirty-one".

Divisors: 1 269 4561 109859 1226909 29552071 501066899 134786995831