Search a number
-
+
151230048421 is a prime number
BaseRepresentation
bin1000110011011000000…
…0110110100010100101
3112110100111000110002111
42030312000312202211
54434204343022141
6153250224441021
713632423126154
oct2146600664245
9473314013074
10151230048421
11591554687a1
1225386779171
131135136496a
147468ca359b
153e01aa3381
hex23360368a5

151230048421 has 2 divisors, whose sum is σ = 151230048422. Its totient is φ = 151230048420.

The previous prime is 151230048377. The next prime is 151230048443. The reversal of 151230048421 is 124840032151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150319819521 + 910228900 = 387711^2 + 30170^2 .

It is a cyclic number.

It is not a de Polignac number, because 151230048421 - 227 = 151095830693 is a prime.

It is a super-3 number, since 3×1512300484213 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151230048121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75615024210 + 75615024211.

It is an arithmetic number, because the mean of its divisors is an integer number (75615024211).

Almost surely, 2151230048421 is an apocalyptic number.

It is an amenable number.

151230048421 is a deficient number, since it is larger than the sum of its proper divisors (1).

151230048421 is an equidigital number, since it uses as much as digits as its factorization.

151230048421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 151230048421 in words is "one hundred fifty-one billion, two hundred thirty million, forty-eight thousand, four hundred twenty-one".