Search a number
-
+
87905361414 = 23131126991813
BaseRepresentation
bin101000111011110010…
…0010101111000000110
322101220021110001011110
41101313210111320012
52420012233031124
6104214432545450
76231243146343
oct1216744257006
9271807401143
1087905361414
113430a315122
12150533b2286
13839bb90870
14437ca497ca
152447523029
hex1477915e06

87905361414 has 16 divisors (see below), whose sum is σ = 189334624752. Its totient is φ = 27047803488.

The previous prime is 87905361329. The next prime is 87905361431. The reversal of 87905361414 is 41416350978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563495829 + ... + 563495984.

It is an arithmetic number, because the mean of its divisors is an integer number (11833414047).

Almost surely, 287905361414 is an apocalyptic number.

87905361414 is an abundant number, since it is smaller than the sum of its proper divisors (101429263338).

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

87905361414 is a wasteful number, since it uses less digits than its factorization.

87905361414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126991831.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 87905361414 in words is "eighty-seven billion, nine hundred five million, three hundred sixty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 1126991813 2253983626 3380975439 6761950878 14650893569 29301787138 43952680707 87905361414