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6912293042 = 2587892
BaseRepresentation
bin1100111000000000…
…10011100010110010
3122211201200212110102
412130000103202302
5103124021334132
63101522232402
7333202343564
oct63400234262
918751625412
106912293042
112a2789a086
12140aab5702
138620a7935
14498049334
152a6c91c62
hex19c0138b2

6912293042 has 6 divisors (see below), whose sum is σ = 10368615933. Its totient is φ = 3456087732.

The previous prime is 6912293027. The next prime is 6912293077. The reversal of 6912293042 is 2403922196.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4303228801 + 2609064241 = 65599^2 + 51079^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=58789.

It is a super-2 number, since 2×69122930422 = 95559590196963227528, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6912292987 and 6912293005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 88184 + ... + 146972.

Almost surely, 26912293042 is an apocalyptic number.

6912293042 is a deficient number, since it is larger than the sum of its proper divisors (3456322891).

6912293042 is an frugal number, since it uses more digits than its factorization.

6912293042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117580 (or 58791 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6912293042 is about 83140.2011183519. The cubic root of 6912293042 is about 1904.9081818413.

The spelling of 6912293042 in words is "six billion, nine hundred twelve million, two hundred ninety-three thousand, forty-two".

Divisors: 1 2 58789 117578 3456146521 6912293042