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152131639349 = 413710527789
BaseRepresentation
bin1000110110101111000…
…0001001100000110101
3112112200022112000100002
42031223300021200311
54443031144424344
6153515513001045
713663651412144
oct2155360114065
9475608460302
10152131639349
1159578387368
12255986b3185
1311466097511
14751291575b
153e55ce644e
hex236bc09835

152131639349 has 4 divisors (see below), whose sum is σ = 155842167180. Its totient is φ = 148421111520.

The previous prime is 152131639333. The next prime is 152131639357. The reversal of 152131639349 is 943936131251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943936131251 = 3130449552621.

It can be written as a sum of positive squares in 2 ways, for example, as 27905702500 + 124225936849 = 167050^2 + 352457^2 .

It is a cyclic number.

It is not a de Polignac number, because 152131639349 - 24 = 152131639333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152131039349) 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, 1855263854 + ... + 1855263935.

It is an arithmetic number, because the mean of its divisors is an integer number (38960541795).

Almost surely, 2152131639349 is an apocalyptic number.

It is an amenable number.

152131639349 is a deficient number, since it is larger than the sum of its proper divisors (3710527831).

152131639349 is an equidigital number, since it uses as much as digits as its factorization.

152131639349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710527830.

The product of its digits is 524880, while the sum is 47.

The spelling of 152131639349 in words is "one hundred fifty-two billion, one hundred thirty-one million, six hundred thirty-nine thousand, three hundred forty-nine".

Divisors: 1 41 3710527789 152131639349