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18046796472 = 2332377195413
BaseRepresentation
bin10000110011101011…
…000100001010111000
31201120201020020201100
4100303223010022320
5243424434441342
612142433251400
71206134144655
oct206353041270
951521206640
1018046796472
117720a45331
1235b7a03b60
131917b367c3
14c32b2cc2c
1570954de4c
hex433ac42b8

18046796472 has 96 divisors (see below), whose sum is σ = 50905277280. Its totient is φ = 5770517760.

The previous prime is 18046796423. The next prime is 18046796497. The reversal of 18046796472 is 27469764081.

18046796472 is a `hidden beast` number, since 1 + 80 + 4 + 6 + 7 + 96 + 472 = 666.

It is a congruent number.

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, 141438 + ... + 236850.

It is an arithmetic number, because the mean of its divisors is an integer number (530263305).

Almost surely, 218046796472 is an apocalyptic number.

18046796472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18046796472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25452638640).

18046796472 is an abundant number, since it is smaller than the sum of its proper divisors (32858480808).

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

18046796472 is a wasteful number, since it uses less digits than its factorization.

18046796472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95533 (or 95526 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 18046796472 in words is "eighteen billion, forty-six million, seven hundred ninety-six thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 71 72 74 111 142 148 213 222 284 296 333 426 444 568 639 666 852 888 1278 1332 1704 2556 2627 2664 5112 5254 7881 10508 15762 21016 23643 31524 47286 63048 94572 95413 189144 190826 286239 381652 572478 763304 858717 1144956 1717434 2289912 3434868 3530281 6774323 6869736 7060562 10590843 13548646 14121124 20322969 21181686 27097292 28242248 31772529 40645938 42363372 54194584 60968907 63545058 81291876 84726744 121937814 127090116 162583752 243875628 250649951 254180232 487751256 501299902 751949853 1002599804 1503899706 2005199608 2255849559 3007799412 4511699118 6015598824 9023398236 18046796472