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17930904016 = 247331528897
BaseRepresentation
bin10000101100110000…
…111110000111010000
31201021122011022011011
4100230300332013100
5243210302412031
612123133300304
71203226112044
oct205460760720
951248138134
1017930904016
117671589643
123585034694
1318c9b1a39c
14c215a2024
156ee2aa6b1
hex42cc3e1d0

17930904016 has 20 divisors (see below), whose sum is σ = 34788545092. Its totient is φ = 8953214976.

The previous prime is 17930904001. The next prime is 17930904023. The reversal of 17930904016 is 61040903971.

It can be written as a sum of positive squares in 2 ways, for example, as 8799190416 + 9131713600 = 93804^2 + 95560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17930904016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752721 + ... + 776176.

Almost surely, 217930904016 is an apocalyptic number.

17930904016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

17930904016 is a deficient number, since it is larger than the sum of its proper divisors (16857641076).

17930904016 is a wasteful number, since it uses less digits than its factorization.

17930904016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529638 (or 1529632 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 17930904016 in words is "seventeen billion, nine hundred thirty million, nine hundred four thousand, sixteen".

Divisors: 1 2 4 8 16 733 1466 2932 5864 11728 1528897 3057794 6115588 12231176 24462352 1120681501 2241363002 4482726004 8965452008 17930904016