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15255052340231 = 115115727109153
BaseRepresentation
bin1101110111111101011111…
…1110011100110000000111
32000000100221211022201020002
43131333113332130300013
53444414321344341411
652240024014231515
73133066263256214
oct335772776346007
960010854281202
1015255052340231
1149516a4390820
1218646461b559b
13868711c348b2
143aa4c42d0b0b
151b6c43cc333b
hexddfd7f9cc07

15255052340231 has 8 divisors (see below), whose sum is σ = 16642201203984. Its totient is φ = 13867957797120.

The previous prime is 15255052340123. The next prime is 15255052340249. The reversal of 15255052340231 is 13204325055251.

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-15255052340231 is a prime.

It is a super-2 number, since 2×152550523402312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255052340431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12991850 + ... + 14117303.

It is an arithmetic number, because the mean of its divisors is an integer number (2080275150498).

Almost surely, 215255052340231 is an apocalyptic number.

15255052340231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15255052340231 is a deficient number, since it is larger than the sum of its proper divisors (1387148863753).

15255052340231 is a wasteful number, since it uses less digits than its factorization.

15255052340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27160321.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 15255052340231 its reverse (13204325055251), we get a palindrome (28459377395482).

The spelling of 15255052340231 in words is "fifteen trillion, two hundred fifty-five billion, fifty-two million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 11 51157 562727 27109153 298200683 1386822940021 15255052340231