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2912139513 = 334116071637
BaseRepresentation
bin1010110110010011…
…1011100011111001
321111221201000102000
42231210323203321
521431001431023
61200545131213
7132110530443
oct25544734371
97457630360
102912139513
111264910578
12693329b09
1337543139a
141d8a95493
151209db243
hexad93b8f9

2912139513 has 32 divisors (see below), whose sum is σ = 4424958720. Its totient is φ = 1891739520.

The previous prime is 2912139509. The next prime is 2912139521. The reversal of 2912139513 is 3159312192.

2912139513 is a `hidden beast` number, since 2 + 9 + 1 + 2 + 139 + 513 = 666.

It is not a de Polignac number, because 2912139513 - 22 = 2912139509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2912139553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1778131 + ... + 1779767.

It is an arithmetic number, because the mean of its divisors is an integer number (138279960).

Almost surely, 22912139513 is an apocalyptic number.

It is an amenable number.

2912139513 is a deficient number, since it is larger than the sum of its proper divisors (1512819207).

2912139513 is a wasteful number, since it uses less digits than its factorization.

2912139513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294 (or 3288 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 2912139513 is about 53964.2429113946. The cubic root of 2912139513 is about 1428.0302011479.

The spelling of 2912139513 in words is "two billion, nine hundred twelve million, one hundred thirty-nine thousand, five hundred thirteen".

Divisors: 1 3 9 27 41 123 369 1107 1607 1637 4821 4911 14463 14733 43389 44199 65887 67117 197661 201351 592983 604053 1778949 1812159 2630659 7891977 23675931 71027793 107857019 323571057 970713171 2912139513