Search a number
-
+
128158110026863 = 762692920450061
BaseRepresentation
bin11101001000111100100010…
…100111111000110001101111
3121210202210111001002000001121
4131020330202213320301233
5113244220302131324423
61132323004543321411
735665055303231020
oct3510744247706157
9553683431060047
10128158110026863
1137920605042834
1212459a978b0267
135668347857a37
142390c58208c47
15ec3a4717b45d
hex748f229f8c6f

128158110026863 has 8 divisors (see below), whose sum is σ = 146489775109920. Its totient is φ = 109832285856480.

The previous prime is 128158110026861. The next prime is 128158110026867. The reversal of 128158110026863 is 368620011851821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 128158110026863 - 21 = 128158110026861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128158110026863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128158110026861) 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, 1460181148 + ... + 1460268913.

It is an arithmetic number, because the mean of its divisors is an integer number (18311221888740).

Almost surely, 2128158110026863 is an apocalyptic number.

128158110026863 is a deficient number, since it is larger than the sum of its proper divisors (18331665083057).

128158110026863 is an equidigital number, since it uses as much as digits as its factorization.

128158110026863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920456337.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 128158110026863 in words is "one hundred twenty-eight trillion, one hundred fifty-eight billion, one hundred ten million, twenty-six thousand, eight hundred sixty-three".

Divisors: 1 7 6269 43883 2920450061 20443150427 18308301432409 128158110026863