Search a number
-
+
151550211551 is a prime number
BaseRepresentation
bin1000110100100100011…
…0001011010111011111
3112111011210110102100012
42031021012023113133
54440333323232201
6153342102553435
713643361354314
oct2151106132737
9474153412305
10151550211551
11592aa164022
1225455a3887b
13113a27a21bb
147499604d0b
153e1ec465bb
hex234918b5df

151550211551 has 2 divisors, whose sum is σ = 151550211552. Its totient is φ = 151550211550.

The previous prime is 151550211541. The next prime is 151550211623. The reversal of 151550211551 is 155112055151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151550211551 - 26 = 151550211487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151550211541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75775105775 + 75775105776.

It is an arithmetic number, because the mean of its divisors is an integer number (75775105776).

Almost surely, 2151550211551 is an apocalyptic number.

151550211551 is a deficient number, since it is larger than the sum of its proper divisors (1).

151550211551 is an equidigital number, since it uses as much as digits as its factorization.

151550211551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6250, while the sum is 32.

The spelling of 151550211551 in words is "one hundred fifty-one billion, five hundred fifty million, two hundred eleven thousand, five hundred fifty-one".