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152522150521 = 1311732473117
BaseRepresentation
bin1000111000001100000…
…1110101001001111001
3112120200112100000221211
42032003001311021321
54444331132304041
6154022343003121
714006432613526
oct2160301651171
9476615300854
10152522150521
1159758861174
12256874394a1
13114c8c65b10
14754c72a14d
153e7a233481
hex2383075279

152522150521 has 4 divisors (see below), whose sum is σ = 164254623652. Its totient is φ = 140789677392.

The previous prime is 152522150509. The next prime is 152522150549. The reversal of 152522150521 is 125051225251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125051225251 = 257486580643.

It can be written as a sum of positive squares in 2 ways, for example, as 22896229225 + 129625921296 = 151315^2 + 360036^2 .

It is not a de Polignac number, because 152522150521 - 227 = 152387932793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152522150591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5866236546 + ... + 5866236571.

It is an arithmetic number, because the mean of its divisors is an integer number (41063655913).

Almost surely, 2152522150521 is an apocalyptic number.

It is an amenable number.

152522150521 is a deficient number, since it is larger than the sum of its proper divisors (11732473131).

152522150521 is a wasteful number, since it uses less digits than its factorization.

152522150521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732473130.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 152522150521 its reverse (125051225251), we get a palindrome (277573375772).

The spelling of 152522150521 in words is "one hundred fifty-two billion, five hundred twenty-two million, one hundred fifty thousand, five hundred twenty-one".

Divisors: 1 13 11732473117 152522150521