Search a number
-
+
155623076107 is a prime number
BaseRepresentation
bin1001000011101111011…
…0111011000100001011
3112212200122021101011121
42100323312323010023
510022204001413412
6155254154340111
714146325215102
oct2207366730413
9485618241147
10155623076107
115aaaa195494
12261b1a2a637
13118a1526225
1477644c5039
1540ac5b1107
hex243bdbb10b

155623076107 has 2 divisors, whose sum is σ = 155623076108. Its totient is φ = 155623076106.

The previous prime is 155623076051. The next prime is 155623076129. The reversal of 155623076107 is 701670326551.

It is a strong prime.

It is an emirp because it is prime and its reverse (701670326551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155623076107 - 211 = 155623074059 is a prime.

It is a super-2 number, since 2×1556230761072 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155623076197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77811538053 + 77811538054.

It is an arithmetic number, because the mean of its divisors is an integer number (77811538054).

Almost surely, 2155623076107 is an apocalyptic number.

155623076107 is a deficient number, since it is larger than the sum of its proper divisors (1).

155623076107 is an equidigital number, since it uses as much as digits as its factorization.

155623076107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 155623076107 in words is "one hundred fifty-five billion, six hundred twenty-three million, seventy-six thousand, one hundred seven".