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88939657812 = 22323322245137
BaseRepresentation
bin101001011010100110…
…1110111101001010100
322111120100122202002110
41102311031313221110
52424122023022222
6104505221311020
76266002421625
oct1226515675124
9274510582073
1088939657812
11347a0133335
12152a1865470
138505248475
14443a163a4c
1524a822b30c
hex14b5377a54

88939657812 has 24 divisors (see below), whose sum is σ = 216548732736. Its totient is φ = 28357571968.

The previous prime is 88939657759. The next prime is 88939657813. The reversal of 88939657812 is 21875693988.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88939657813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161122293 + ... + 161122844.

It is an arithmetic number, because the mean of its divisors is an integer number (9022863864).

Almost surely, 288939657812 is an apocalyptic number.

It is an amenable number.

88939657812 is an abundant number, since it is smaller than the sum of its proper divisors (127609074924).

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

88939657812 is a wasteful number, since it uses less digits than its factorization.

88939657812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322245167 (or 322245165 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 66.

The spelling of 88939657812 in words is "eighty-eight billion, nine hundred thirty-nine million, six hundred fifty-seven thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 322245137 644490274 966735411 1288980548 1933470822 3866941644 7411638151 14823276302 22234914453 29646552604 44469828906 88939657812