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27940102992 = 2432194028493
BaseRepresentation
bin11010000001010111…
…000010001101010000
32200010012020021220100
4122001113002031100
5424210131243432
620500245212400
72006244646134
oct320127021520
980105207810
1027940102992
1110938506a0a
1254b9101100
1328336a8929
1414d0a3b3c4
15ad7d8407c
hex6815c2350

27940102992 has 30 divisors (see below), whose sum is σ = 78193483082. Its totient is φ = 9313367616.

The previous prime is 27940102969. The next prime is 27940103011. The reversal of 27940102992 is 29920104972.

It can be written as a sum of positive squares in only one way, i.e., 16538988816 + 11401114176 = 128604^2 + 106776^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 97014103 + ... + 97014390.

Almost surely, 227940102992 is an apocalyptic number.

It is an amenable number.

27940102992 is an abundant number, since it is smaller than the sum of its proper divisors (50253380090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27940102992 is a wasteful number, since it uses less digits than its factorization.

27940102992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194028507 (or 194028498 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 27940102992 in words is "twenty-seven billion, nine hundred forty million, one hundred two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 194028493 388056986 582085479 776113972 1164170958 1552227944 1746256437 2328341916 3104455888 3492512874 4656683832 6985025748 9313367664 13970051496 27940102992