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80025056051 = 312154953759
BaseRepresentation
bin100101010000111011…
…1010111001100110011
321122120002021001102212
41022201313113030303
52302342403243201
6100432450402335
75532044516213
oct1124167271463
9248502231385
1080025056051
1130a36070066
12136142903ab
137714398695
143c3221c243
1521357bcabb
hex12a1dd7333

80025056051 has 12 divisors (see below), whose sum is σ = 82744704000. Its totient is φ = 77392167120.

The previous prime is 80025056017. The next prime is 80025056077. The reversal of 80025056051 is 15065052008.

It is not a de Polignac number, because 80025056051 - 218 = 80024793907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80025055999 and 80025056017.

It is not an unprimeable number, because it can be changed into a prime (80025058051) 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, 1461710 + ... + 1515468.

It is an arithmetic number, because the mean of its divisors is an integer number (6895392000).

Almost surely, 280025056051 is an apocalyptic number.

80025056051 is a deficient number, since it is larger than the sum of its proper divisors (2719647949).

80025056051 is a wasteful number, since it uses less digits than its factorization.

80025056051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55370 (or 55339 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 80025056051 in words is "eighty billion, twenty-five million, fifty-six thousand, fifty-one".

Divisors: 1 31 961 1549 48019 53759 1488589 1666529 51662399 83272691 2581453421 80025056051