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80260740146 = 255577221589
BaseRepresentation
bin100101010111111101…
…0011011010000110010
321200011111202001020102
41022233322123100302
52303333222141041
6100512110112402
75540636014646
oct1125772332062
9250144661212
1080260740146
1131047106004
121367b1ab702
137751167c22
143c5564cc26
15214b32509b
hex12afe9b432

80260740146 has 8 divisors (see below), whose sum is σ = 120412791660. Its totient is φ = 40123142928.

The previous prime is 80260740113. The next prime is 80260740151. The reversal of 80260740146 is 64104706208.

It can be written as a sum of positive squares in 2 ways, for example, as 76477137025 + 3783603121 = 276545^2 + 61511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×802607401462 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3599681 + ... + 3621908.

Almost surely, 280260740146 is an apocalyptic number.

80260740146 is a deficient number, since it is larger than the sum of its proper divisors (40152051514).

80260740146 is a wasteful number, since it uses less digits than its factorization.

80260740146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227148.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 80260740146 in words is "eighty billion, two hundred sixty million, seven hundred forty thousand, one hundred forty-six".

Divisors: 1 2 5557 11114 7221589 14443178 40130370073 80260740146