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20160300556 = 221131371812207
BaseRepresentation
bin10010110001101001…
…011100011000001100
31221001000011101021101
4102301221130120030
5312242014104211
613132253112444
71312406504314
oct226151343014
957030141241
1020160300556
118605a67220
123aa7788724
131b93972136
14d936d2444
157ced825c1
hex4b1a5c60c

20160300556 has 96 divisors (see below), whose sum is σ = 41047179264. Its totient is φ = 8576928000.

The previous prime is 20160300553. The next prime is 20160300599. The reversal of 20160300556 is 65500306102.

It is not an unprimeable number, because it can be changed into a prime (20160300553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9133605 + ... + 9135811.

It is an arithmetic number, because the mean of its divisors is an integer number (427574784).

Almost surely, 220160300556 is an apocalyptic number.

It is an amenable number.

20160300556 is an abundant number, since it is smaller than the sum of its proper divisors (20886878708).

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

20160300556 is a wasteful number, since it uses less digits than its factorization.

20160300556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 20160300556 its reverse (65500306102), we get a palindrome (85660606658).

The spelling of 20160300556 in words is "twenty billion, one hundred sixty million, three hundred thousand, five hundred fifty-six".

Divisors: 1 2 4 11 22 31 37 44 62 74 124 148 181 341 362 407 682 724 814 1147 1364 1628 1991 2207 2294 3982 4414 4588 5611 6697 7964 8828 11222 12617 13394 22444 24277 25234 26788 48554 50468 61721 68417 73667 81659 97108 123442 136834 147334 163318 207607 246884 273668 294668 326636 399467 415214 752587 798934 830428 898249 1505174 1597868 1796498 2283677 2531429 3010348 3592996 4394137 4567354 5062858 8788274 9134708 10125716 12383477 14780279 17576548 24766954 27845719 29560558 49533908 55691438 59121116 111382876 136218247 162583069 272436494 325166138 458188649 544872988 650332276 916377298 1832754596 5040075139 10080150278 20160300556