Search a number
-
+
18829907364 = 2231982587313
BaseRepresentation
bin10001100010010110…
…011001010110100100
31210121021210101220110
4101202112121112210
5302030424013424
612352250133020
71234423400052
oct214226312644
953537711813
1018829907364
117a92aa0114
123796121170
131a11155228
14ca8b3d1d2
1575318bc29
hex4625995a4

18829907364 has 24 divisors (see below), whose sum is σ = 46248895840. Its totient is φ = 5946286464.

The previous prime is 18829907357. The next prime is 18829907413. The reversal of 18829907364 is 46370992881.

It is a super-2 number, since 2×188299073642 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41293429 + ... + 41293884.

Almost surely, 218829907364 is an apocalyptic number.

It is an amenable number.

18829907364 is an abundant number, since it is smaller than the sum of its proper divisors (27418988476).

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

18829907364 is a wasteful number, since it uses less digits than its factorization.

18829907364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82587339 (or 82587337 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 18829907364 in words is "eighteen billion, eight hundred twenty-nine million, nine hundred seven thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 82587313 165174626 247761939 330349252 495523878 991047756 1569158947 3138317894 4707476841 6276635788 9414953682 18829907364