Search a number
-
+
155676086329 = 612552066989
BaseRepresentation
bin1001000011111100000…
…1001001000000111001
3112212211100000120112011
42100333001021000321
510022311034230304
6155303330445521
714150540620621
oct2207701110071
9485740016464
10155676086329
1160027101895
12262077338a1
13118ac4c681a
14776b563881
1540b2082c04
hex243f049039

155676086329 has 4 divisors (see below), whose sum is σ = 158228153380. Its totient is φ = 153124019280.

The previous prime is 155676086317. The next prime is 155676086333. The reversal of 155676086329 is 923680676551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923680676551 = 6131506820027.

It can be written as a sum of positive squares in 2 ways, for example, as 3304525225 + 152371561104 = 57485^2 + 390348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-155676086329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155676084329) 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, 1276033434 + ... + 1276033555.

It is an arithmetic number, because the mean of its divisors is an integer number (39557038345).

Almost surely, 2155676086329 is an apocalyptic number.

It is an amenable number.

155676086329 is a deficient number, since it is larger than the sum of its proper divisors (2552067051).

155676086329 is an equidigital number, since it uses as much as digits as its factorization.

155676086329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552067050.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 155676086329 in words is "one hundred fifty-five billion, six hundred seventy-six million, eighty-six thousand, three hundred twenty-nine".

Divisors: 1 61 2552066989 155676086329