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151121124313 = 359420950207
BaseRepresentation
bin1000110010111110000…
…1010101101111011001
3112110001220001112022021
42030233201111233121
54433444001434223
6153231334054441
713626631235155
oct2145741255731
9473056045267
10151121124313
11590a9a31475
12253561aa421
1311334918223
14745862c065
153de723965d
hex232f855bd9

151121124313 has 4 divisors (see below), whose sum is σ = 151542074880. Its totient is φ = 150700173748.

The previous prime is 151121124311. The next prime is 151121124347. The reversal of 151121124313 is 313421121151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313421121151 = 456768627353.

It is a cyclic number.

It is not a de Polignac number, because 151121124313 - 21 = 151121124311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151121124311) 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, 210474745 + ... + 210475462.

It is an arithmetic number, because the mean of its divisors is an integer number (37885518720).

Almost surely, 2151121124313 is an apocalyptic number.

It is an amenable number.

151121124313 is a deficient number, since it is larger than the sum of its proper divisors (420950567).

151121124313 is an equidigital number, since it uses as much as digits as its factorization.

151121124313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420950566.

The product of its digits is 720, while the sum is 25.

Adding to 151121124313 its reverse (313421121151), we get a palindrome (464542245464).

The spelling of 151121124313 in words is "one hundred fifty-one billion, one hundred twenty-one million, one hundred twenty-four thousand, three hundred thirteen".

Divisors: 1 359 420950207 151121124313