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18524005052 = 22717234214019
BaseRepresentation
bin10001010000000111…
…011110001010111100
31202210222011221211012
4101100013132022330
5300414121130202
612302041414352
71224020305430
oct212007361274
952728157735
1018524005052
117946355193
12370b79a3b8
13199296ba47
14c7a2709c0
157363b4152
hex4501de2bc

18524005052 has 96 divisors (see below), whose sum is σ = 41040276480. Its totient is φ = 7128253440.

The previous prime is 18524005007. The next prime is 18524005079. The reversal of 18524005052 is 25050042581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4607099 + ... + 4611117.

It is an arithmetic number, because the mean of its divisors is an integer number (427502880).

Almost surely, 218524005052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18524005052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20520138240).

18524005052 is an abundant number, since it is smaller than the sum of its proper divisors (22516271428).

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

18524005052 is a wasteful number, since it uses less digits than its factorization.

18524005052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 18524005052 in words is "eighteen billion, five hundred twenty-four million, five thousand, fifty-two".

Divisors: 1 2 4 7 14 17 23 28 34 46 68 92 119 161 238 322 391 421 476 644 782 842 1564 1684 2737 2947 4019 5474 5894 7157 8038 9683 10948 11788 14314 16076 19366 28133 28628 38732 50099 56266 67781 68323 92437 100198 112532 135562 136646 164611 184874 200396 271124 273292 329222 369748 478261 647059 658444 956522 1152277 1294118 1571429 1691999 1913044 2304554 2588236 3142858 3383998 4609108 6285716 6767996 11000003 11843993 22000006 23687986 28763983 38915977 44000012 47375972 57527966 77831954 115055932 155663908 201347881 272411839 402695762 544823678 661571609 805391524 1089647356 1323143218 2646286436 4631001263 9262002526 18524005052