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80148051 = 3231287269
BaseRepresentation
bin1001100011011…
…11011001010011
312120210221110100
410301233121103
5131004214201
611541503443
71662150534
oct461573123
9176727410
1080148051
1141272465
1222a11b83
13137b28a9
14a90468b
157082886
hex4c6f653

80148051 has 12 divisors (see below), whose sum is σ = 119504320. Its totient is φ = 51708240.

The previous prime is 80148043. The next prime is 80148053. The reversal of 80148051 is 15084108.

It is not a de Polignac number, because 80148051 - 23 = 80148043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80148053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143356 + ... + 143913.

Almost surely, 280148051 is an apocalyptic number.

80148051 is a deficient number, since it is larger than the sum of its proper divisors (39356269).

80148051 is a wasteful number, since it uses less digits than its factorization.

80148051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287306 (or 287303 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 80148051 is about 8952.5443869327. The cubic root of 80148051 is about 431.1525793803.

The spelling of 80148051 in words is "eighty million, one hundred forty-eight thousand, fifty-one".

Divisors: 1 3 9 31 93 279 287269 861807 2585421 8905339 26716017 80148051