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5687557854 = 23111014571867
BaseRepresentation
bin1010100110000000…
…10011111011011110
3112200101010212121220
411103000103323132
543122003322404
62340212034210
7260641305216
oct52300237336
915611125556
105687557854
112459529440
121128902966
136c8432964
143bd51b246
152344bc4d9
hex153013ede

5687557854 has 64 divisors (see below), whose sum is σ = 12566230272. Its totient is φ = 1701792000.

The previous prime is 5687557853. The next prime is 5687557873. The reversal of 5687557854 is 4587557865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687557853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3045429 + ... + 3047295.

It is an arithmetic number, because the mean of its divisors is an integer number (196347348).

Almost surely, 25687557854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5687557854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6283115136).

5687557854 is an abundant number, since it is smaller than the sum of its proper divisors (6878672418).

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

5687557854 is a wasteful number, since it uses less digits than its factorization.

5687557854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

The product of its digits is 47040000, while the sum is 60.

The square root of 5687557854 is about 75415.8992123014. The cubic root of 5687557854 is about 1785.0152979097.

The spelling of 5687557854 in words is "five billion, six hundred eighty-seven million, five hundred fifty-seven thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 457 606 914 1111 1371 1867 2222 2742 3333 3734 5027 5601 6666 10054 11202 15081 20537 30162 41074 46157 61611 92314 123222 138471 188567 276942 377134 507727 565701 853219 1015454 1131402 1523181 1706438 2074237 2559657 3046362 4148474 5119314 6222711 9385409 12445422 18770818 28156227 56312454 86175119 172350238 258525357 517050714 947926309 1895852618 2843778927 5687557854