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87108005130 = 23550911175107
BaseRepresentation
bin101000100100000001…
…0101010110100001010
322022211201002010222020
41101020002222310022
52411344122131010
6104003350505310
76202421553426
oct1211002526412
9268751063866
1087108005130
1133a4021a593
1214a70365236
1382a2925103
144304babb86
1523ec51e470
hex14480aad0a

87108005130 has 64 divisors (see below), whose sum is σ = 209698519680. Its totient is φ = 23157874944.

The previous prime is 87108005113. The next prime is 87108005147. The reversal of 87108005130 is 3150080178.

It is an interprime number because it is at equal distance from previous prime (87108005113) and next prime (87108005147).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87108005091 and 87108005100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17054037 + ... + 17059143.

It is an arithmetic number, because the mean of its divisors is an integer number (3276539370).

Almost surely, 287108005130 is an apocalyptic number.

87108005130 is an abundant number, since it is smaller than the sum of its proper divisors (122590514550).

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

87108005130 is a wasteful number, since it uses less digits than its factorization.

87108005130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 6720, while the sum is 33.

The spelling of 87108005130 in words is "eighty-seven billion, one hundred eight million, five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 509 1018 1117 1527 2234 2545 3054 3351 5090 5107 5585 6702 7635 10214 11170 15270 15321 16755 25535 30642 33510 51070 76605 153210 568553 1137106 1705659 2599463 2842765 3411318 5198926 5685530 5704519 7798389 8528295 11409038 12997315 15596778 17056590 17113557 25994630 28522595 34227114 38991945 57045190 77983890 85567785 171135570 2903600171 5807200342 8710800513 14518000855 17421601026 29036001710 43554002565 87108005130