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15344424253 = 37915145319
BaseRepresentation
bin11100100101001100…
…10101010100111101
31110121101020111221101
432102212111110331
5222411133034003
611014340133101
71052151311524
oct162246252475
943541214841
1015344424253
116564589064
122b82997191
1315a6ccc3a2
14a57c7d4bb
155ec19b11d
hex39299553d

15344424253 has 8 divisors (see below), whose sum is σ = 15761208320. Its totient is φ = 14927749200.

The previous prime is 15344424241. The next prime is 15344424269. The reversal of 15344424253 is 35242444351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15344424253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15344424283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315928 + ... + 361246.

It is an arithmetic number, because the mean of its divisors is an integer number (1970151040).

Almost surely, 215344424253 is an apocalyptic number.

It is an amenable number.

15344424253 is a deficient number, since it is larger than the sum of its proper divisors (416784067).

15344424253 is an equidigital number, since it uses as much as digits as its factorization.

15344424253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54507.

The product of its digits is 230400, while the sum is 37.

The spelling of 15344424253 in words is "fifteen billion, three hundred forty-four million, four hundred twenty-four thousand, two hundred fifty-three".

Divisors: 1 37 9151 45319 338587 1676803 414714169 15344424253