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28107541462 = 27111323935867
BaseRepresentation
bin11010001011010101…
…110000101111010110
32200112212022001022011
4122023111300233112
5430031012311322
620525030054434
72013350106010
oct321325605726
980485261264
1028107541462
1110a13a79a10
1255451aa41a
13285c2a2050
141508d851b0
15ae790a677
hex68b570bd6

28107541462 has 64 divisors (see below), whose sum is σ = 56641503744. Its totient is φ = 10102659840.

The previous prime is 28107541457. The next prime is 28107541541. The reversal of 28107541462 is 26414570182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4787853 + ... + 4793719.

It is an arithmetic number, because the mean of its divisors is an integer number (885023496).

Almost surely, 228107541462 is an apocalyptic number.

28107541462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28107541462 is an abundant number, since it is smaller than the sum of its proper divisors (28533962282).

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

28107541462 is a wasteful number, since it uses less digits than its factorization.

28107541462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 28107541462 in words is "twenty-eight billion, one hundred seven million, five hundred forty-one thousand, four hundred sixty-two".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 2393 4786 5867 11734 16751 26323 31109 33502 41069 52646 62218 64537 76271 82138 129074 152542 184261 217763 342199 368522 435526 451759 533897 684398 838981 903518 1067794 1677962 2395393 4790786 5872867 11745734 14039731 28079462 98278117 154437041 182516503 196556234 308874082 365033006 1081059287 1277615521 2007681533 2162118574 2555231042 4015363066 14053770731 28107541462