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1137879993 = 313917315773
BaseRepresentation
bin100001111010010…
…1010101110111001
32221022010021220110
41003310222232321
54312244124433
6304524414533
740124551245
oct10364525671
92838107813
101137879993
11534338098
122790a7449
13151984593
14ab19d425
1569d69963
hex43d2abb9

1137879993 has 16 divisors (see below), whose sum is σ = 1537018560. Its totient is φ = 748728384.

The previous prime is 1137879991. The next prime is 1137879997. The reversal of 1137879993 is 3999787311.

It is not a de Polignac number, because 1137879993 - 21 = 1137879991 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1137879991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64255 + ... + 80027.

It is an arithmetic number, because the mean of its divisors is an integer number (96063660).

Almost surely, 21137879993 is an apocalyptic number.

It is an amenable number.

1137879993 is a deficient number, since it is larger than the sum of its proper divisors (399138567).

1137879993 is a wasteful number, since it uses less digits than its factorization.

1137879993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088.

The product of its digits is 2571912, while the sum is 57.

The square root of 1137879993 is about 33732.4768287180. The cubic root of 1137879993 is about 1043.9959658026.

The spelling of 1137879993 in words is "one billion, one hundred thirty-seven million, eight hundred seventy-nine thousand, nine hundred ninety-three".

Divisors: 1 3 139 173 417 519 15773 24047 47319 72141 2192447 2728729 6577341 8186187 379293331 1137879993