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18103461306 = 2372371664227
BaseRepresentation
bin10000110111000011…
…001110010110111010
31201201122212010020220
4100313003032112322
5244033441230211
612152220000510
71210422611400
oct206703162672
951648763226
1018103461306
11774aa28477
123612990136
1319267b66a8
14c3a47d470
1570e4e3806
hex4370ce5ba

18103461306 has 48 divisors (see below), whose sum is σ = 43256614176. Its totient is φ = 5032619424.

The previous prime is 18103461283. The next prime is 18103461319. The reversal of 18103461306 is 60316430181.

It is a super-2 number, since 2×181034613062 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821236 + ... + 842991.

It is an arithmetic number, because the mean of its divisors is an integer number (901179462).

Almost surely, 218103461306 is an apocalyptic number.

18103461306 is an abundant number, since it is smaller than the sum of its proper divisors (25153152870).

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

18103461306 is a wasteful number, since it uses less digits than its factorization.

18103461306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664283 (or 1664276 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 18103461306 its reverse (60316430181), we get a palindrome (78419891487).

The spelling of 18103461306 in words is "eighteen billion, one hundred three million, four hundred sixty-one thousand, three hundred six".

Divisors: 1 2 3 6 7 14 21 37 42 49 74 98 111 147 222 259 294 518 777 1554 1813 3626 5439 10878 1664227 3328454 4992681 9985362 11649589 23299178 34948767 61576399 69897534 81547123 123152798 163094246 184729197 244641369 369458394 431034793 489282738 862069586 1293104379 2586208758 3017243551 6034487102 9051730653 18103461306