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80200240880 = 2451231814381
BaseRepresentation
bin100101010110001001…
…1101000111011110000
321200000021220100211212
41022230103220323300
52303222230202010
6100502105255252
75536302541154
oct1125423507360
9250007810755
1080200240880
1131015a44011
1213662a94528
137741774946
143c4b5c1064
152145d74505
hex12ac4e8ef0

80200240880 has 40 divisors (see below), whose sum is σ = 186617264064. Its totient is φ = 32053996800.

The previous prime is 80200240843. The next prime is 80200240889. The reversal of 80200240880 is 8804200208.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80200240889) 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, 308711 + ... + 505670.

Almost surely, 280200240880 is an apocalyptic number.

80200240880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80200240880 is an abundant number, since it is smaller than the sum of its proper divisors (106417023184).

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

80200240880 is a wasteful number, since it uses less digits than its factorization.

80200240880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815625 (or 815619 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 80200240880 in words is "eighty billion, two hundred million, two hundred forty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1231 2462 4924 6155 9848 12310 19696 24620 49240 98480 814381 1628762 3257524 4071905 6515048 8143810 13030096 16287620 32575240 65150480 1002503011 2005006022 4010012044 5012515055 8020024088 10025030110 16040048176 20050060220 40100120440 80200240880