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87919841114 = 2737875319391
BaseRepresentation
bin101000111100001101…
…1100100111101011010
322101221021200200120122
41101320123210331122
52420024434403424
6104220111153242
76231510214250
oct1217033447532
9271837620518
1087919841114
1134317504a16
1215058215822
1383a1b90431
1443809385d0
15244893345e
hex14786e4f5a

87919841114 has 32 divisors (see below), whose sum is σ = 154818902016. Its totient is φ = 36655476480.

The previous prime is 87919841057. The next prime is 87919841161. The reversal of 87919841114 is 41114891978.

It is a super-3 number, since 3×879198411143 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4524359 + ... + 4543749.

It is an arithmetic number, because the mean of its divisors is an integer number (4838090688).

Almost surely, 287919841114 is an apocalyptic number.

87919841114 is a deficient number, since it is larger than the sum of its proper divisors (66899060902).

87919841114 is a wasteful number, since it uses less digits than its factorization.

87919841114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28190.

The product of its digits is 580608, while the sum is 53.

The spelling of 87919841114 in words is "eighty-seven billion, nine hundred nineteen million, eight hundred forty-one thousand, one hundred fourteen".

Divisors: 1 2 7 14 37 74 259 518 8753 17506 19391 38782 61271 122542 135737 271474 323861 647722 717467 1434934 2267027 4534054 5022269 10044538 169729423 339458846 1188105961 2376211922 6279988651 12559977302 43959920557 87919841114