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30792379094 = 237478853473
BaseRepresentation
bin11100101011010111…
…100110101011010110
32221110222021221010222
4130223113212223112
51001030322112334
622051255314342
72140030621661
oct345327465326
987428257128
1030792379094
111207154a194
125b7437b9b2
132b995aa279
1416c178c6d8
15c03497d2e
hex72b5e6ad6

30792379094 has 16 divisors (see below), whose sum is σ = 48446209728. Its totient is φ = 14661349632.

The previous prime is 30792379031. The next prime is 30792379097. The reversal of 30792379094 is 49097329703.

It is a happy number.

It is a super-2 number, since 2×307923790942 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30792379097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423259 + ... + 4430214.

It is an arithmetic number, because the mean of its divisors is an integer number (3027888108).

Almost surely, 230792379094 is an apocalyptic number.

30792379094 is a deficient number, since it is larger than the sum of its proper divisors (17653830634).

30792379094 is a wasteful number, since it uses less digits than its factorization.

30792379094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853559.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The spelling of 30792379094 in words is "thirty billion, seven hundred ninety-two million, three hundred seventy-nine thousand, ninety-four".

Divisors: 1 2 37 47 74 94 1739 3478 8853473 17706946 327578501 416113231 655157002 832226462 15396189547 30792379094