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18093194130 = 2351124984351
BaseRepresentation
bin10000110110011100…
…000011101110010010
31201200221112111100010
4100312130003232102
5244023324203010
612151211535350
71210236420054
oct206634035622
951627474303
1018093194130
117745155600
12360b45a556
13192463033b
14c38d698d4
1570d666620
hex436703b92

18093194130 has 48 divisors (see below), whose sum is σ = 47730154752. Its totient is φ = 4386228000.

The previous prime is 18093194111. The next prime is 18093194131. The reversal of 18093194130 is 3149139081.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18093194131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2488546 + ... + 2495805.

It is an arithmetic number, because the mean of its divisors is an integer number (994378224).

Almost surely, 218093194130 is an apocalyptic number.

18093194130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18093194130 is an abundant number, since it is smaller than the sum of its proper divisors (29636960622).

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

18093194130 is a wasteful number, since it uses less digits than its factorization.

18093194130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984383 (or 4984372 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 18093194130 in words is "eighteen billion, ninety-three million, one hundred ninety-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 4984351 9968702 14953053 24921755 29906106 49843510 54827861 74765265 109655722 149530530 164483583 274139305 328967166 548278610 603106471 822417915 1206212942 1644835830 1809319413 3015532355 3618638826 6031064710 9046597065 18093194130