Search a number
-
+
80023160525861 = 783137733494881
BaseRepresentation
bin10010001100011111011000…
…000011101001010000100101
3101111100010202122110122022002
4102030133120003221100211
540442044413043311421
6442110044335015045
722566324342256340
oct2214373003512045
9344303678418262
1080023160525861
11235526a4a10003
128b8503666a485
1335861c82672a7
1415a91da90b457
1593b8bcda6b0b
hex48c7d80e9425

80023160525861 has 8 divisors (see below), whose sum is σ = 92556908560704. Its totient is φ = 67764879480960.

The previous prime is 80023160525809. The next prime is 80023160525953. The reversal of 80023160525861 is 16852506132008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80023160525861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80023160525461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68866746860 + ... + 68866748021.

It is an arithmetic number, because the mean of its divisors is an integer number (11569613570088).

Almost surely, 280023160525861 is an apocalyptic number.

It is an amenable number.

80023160525861 is a deficient number, since it is larger than the sum of its proper divisors (12533748034843).

80023160525861 is a wasteful number, since it uses less digits than its factorization.

80023160525861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137733494971.

The product of its (nonzero) digits is 691200, while the sum is 47.

Adding to 80023160525861 its reverse (16852506132008), we get a palindrome (96875666657869).

The spelling of 80023160525861 in words is "eighty trillion, twenty-three billion, one hundred sixty million, five hundred twenty-five thousand, eight hundred sixty-one".

Divisors: 1 7 83 581 137733494881 964134464167 11431880075123 80023160525861