Search a number
-
+
87930583672 = 2321503511153
BaseRepresentation
bin101000111100100010…
…0100011101001111000
322101222000220110121011
41101321010203221320
52420040212134142
6104221133323304
76232000425541
oct1217104435170
9271860813534
1087930583672
1134322581a68
121505b936534
1383a4181c89
1443821334c8
152449856417
hex1479123a78

87930583672 has 16 divisors (see below), whose sum is σ = 164877834240. Its totient is φ = 43963161216.

The previous prime is 87930583651. The next prime is 87930583681. The reversal of 87930583672 is 27638503978.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83553 + ... + 427600.

It is an arithmetic number, because the mean of its divisors is an integer number (10304864640).

Almost surely, 287930583672 is an apocalyptic number.

It is an amenable number.

87930583672 is a deficient number, since it is larger than the sum of its proper divisors (76947250568).

87930583672 is a wasteful number, since it uses less digits than its factorization.

87930583672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532662 (or 532658 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 87930583672 in words is "eighty-seven billion, nine hundred thirty million, five hundred eighty-three thousand, six hundred seventy-two".

Divisors: 1 2 4 8 21503 43006 86012 172024 511153 1022306 2044612 4089224 10991322959 21982645918 43965291836 87930583672