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87672421412 = 2297311726559
BaseRepresentation
bin101000110100110101…
…1101111110000100100
322101022001010110112222
41101221223233300210
52414023114441122
6104135352131512
76222414200102
oct1215153576044
9271261113488
1087672421412
11341aa883924
1214ba9396b98
138362842344
144359b30c72
152431d5db42
hex1469aefc24

87672421412 has 24 divisors (see below), whose sum is σ = 155507089920. Its totient is φ = 43244732160.

The previous prime is 87672421409. The next prime is 87672421423. The reversal of 87672421412 is 21412427678.

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 7 ways as a sum of consecutive naturals, for example, 242612 + ... + 483947.

It is an arithmetic number, because the mean of its divisors is an integer number (6479462080).

Almost surely, 287672421412 is an apocalyptic number.

It is an amenable number.

87672421412 is a deficient number, since it is larger than the sum of its proper divisors (67834668508).

87672421412 is a wasteful number, since it uses less digits than its factorization.

87672421412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726971 (or 726969 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The spelling of 87672421412 in words is "eighty-seven billion, six hundred seventy-two million, four hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 97 194 311 388 622 1244 30167 60334 120668 726559 1453118 2906236 70476223 140952446 225959849 281904892 451919698 903839396 21918105353 43836210706 87672421412