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80230817157 = 326743605719
BaseRepresentation
bin100101010111000100…
…0010001110110000101
321200002102102210121120
41022232020101312011
52303303042122112
6100505120504153
75540123456631
oct1125610216605
9250072383546
1080230817157
1131031228467
121367117b059
137747bbc00a
143c5169ddc1
1521488b3e8c
hex12ae211d85

80230817157 has 4 divisors (see below), whose sum is σ = 106974422880. Its totient is φ = 53487211436.

The previous prime is 80230817119. The next prime is 80230817167. The reversal of 80230817157 is 75171803208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80230817157 - 223 = 80222428549 is a prime.

It is a super-3 number, since 3×802308171573 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80230817167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13371802857 + ... + 13371802862.

It is an arithmetic number, because the mean of its divisors is an integer number (26743605720).

Almost surely, 280230817157 is an apocalyptic number.

It is an amenable number.

80230817157 is a deficient number, since it is larger than the sum of its proper divisors (26743605723).

80230817157 is a wasteful number, since it uses less digits than its factorization.

80230817157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26743605722.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 80230817157 in words is "eighty billion, two hundred thirty million, eight hundred seventeen thousand, one hundred fifty-seven".

Divisors: 1 3 26743605719 80230817157