Search a number
-
+
151920497101 is a prime number
BaseRepresentation
bin1000110101111100101…
…0101101000111001101
3112112010121012212121211
42031133022231013031
54442113121401401
6153442531254421
713655505630112
oct2153712550715
9475117185554
10151920497101
115947a18403a
1225539a4a411
131143140b789
1474d2872909
153e424da951
hex235f2ad1cd

151920497101 has 2 divisors, whose sum is σ = 151920497102. Its totient is φ = 151920497100.

The previous prime is 151920497089. The next prime is 151920497111. The reversal of 151920497101 is 101794029151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149127268900 + 2793228201 = 386170^2 + 52851^2 .

It is a cyclic number.

It is not a de Polignac number, because 151920497101 - 221 = 151918399949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151920497111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75960248550 + 75960248551.

It is an arithmetic number, because the mean of its divisors is an integer number (75960248551).

Almost surely, 2151920497101 is an apocalyptic number.

It is an amenable number.

151920497101 is a deficient number, since it is larger than the sum of its proper divisors (1).

151920497101 is an equidigital number, since it uses as much as digits as its factorization.

151920497101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 151920497101 in words is "one hundred fifty-one billion, nine hundred twenty million, four hundred ninety-seven thousand, one hundred one".