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1979055066 = 233115496869
BaseRepresentation
bin111010111110101…
…1111101111011010
312002220221102011210
41311331133233122
513023114230231
6524214003550
7100020455562
oct16575375732
95086842153
101979055066
119261413aa
124729465b6
13257022b01
1414aba5da2
15b8b26a46
hex75f5fbda

1979055066 has 32 divisors (see below), whose sum is σ = 4089024000. Its totient is φ = 637899840.

The previous prime is 1979055059. The next prime is 1979055077. The reversal of 1979055066 is 6605509791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284680 + ... + 291548.

It is an arithmetic number, because the mean of its divisors is an integer number (127782000).

Almost surely, 21979055066 is an apocalyptic number.

1979055066 is an abundant number, since it is smaller than the sum of its proper divisors (2109968934).

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

1979055066 is a wasteful number, since it uses less digits than its factorization.

1979055066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 1979055066 is about 44486.5717492369. The cubic root of 1979055066 is about 1255.5074462047.

The spelling of 1979055066 in words is "one billion, nine hundred seventy-nine million, fifty-five thousand, sixty-six".

Divisors: 1 2 3 6 31 62 93 186 1549 3098 4647 6869 9294 13738 20607 41214 48019 96038 144057 212939 288114 425878 638817 1277634 10640081 21280162 31920243 63840486 329842511 659685022 989527533 1979055066