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80090664240 = 2435333711101
BaseRepresentation
bin100101010010111000…
…1101000110100110000
321122201122201021221210
41022211301220310300
52303011202223430
6100443152520120
75533502261556
oct1124561506460
9248648637853
1080090664240
1130a6a101504
1213632250040
137724b5a1b2
143c3ac19bd6
15213b42c2b0
hex12a5c68d30

80090664240 has 40 divisors (see below), whose sum is σ = 248281059888. Its totient is φ = 21357510400.

The previous prime is 80090664221. The next prime is 80090664257. The reversal of 80090664240 is 4246609008.

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

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, 166855311 + ... + 166855790.

Almost surely, 280090664240 is an apocalyptic number.

80090664240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80090664240 is an abundant number, since it is smaller than the sum of its proper divisors (168190395648).

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

80090664240 is a wasteful number, since it uses less digits than its factorization.

80090664240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333711117 (or 333711111 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 80090664240 in words is "eighty billion, ninety million, six hundred sixty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 333711101 667422202 1001133303 1334844404 1668555505 2002266606 2669688808 3337111010 4004533212 5005666515 5339377616 6674222020 8009066424 10011333030 13348444040 16018132848 20022666060 26696888080 40045332120 80090664240