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80402410492 = 2220100602623
BaseRepresentation
bin100101011100001011…
…0110110101111111100
321200112101022122102021
41022320112312233330
52304131004113432
6100534130405524
75544306133015
oct1127026665774
9250471278367
1080402410492
113110a079038
12136ba7308a4
13777460b631
143c6a3aa00c
1521589ab697
hex12b85b6bfc

80402410492 has 6 divisors (see below), whose sum is σ = 140704218368. Its totient is φ = 40201205244.

The previous prime is 80402410463. The next prime is 80402410493. The reversal of 80402410492 is 29401420408.

It is a super-2 number, since 2×804024104922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80402410493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050301308 + ... + 10050301315.

Almost surely, 280402410492 is an apocalyptic number.

It is an amenable number.

80402410492 is a deficient number, since it is larger than the sum of its proper divisors (60301807876).

80402410492 is a wasteful number, since it uses less digits than its factorization.

80402410492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20100602627 (or 20100602625 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 80402410492 in words is "eighty billion, four hundred two million, four hundred ten thousand, four hundred ninety-two".

Divisors: 1 2 4 20100602623 40201205246 80402410492