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15005331320101 = 73205552483837
BaseRepresentation
bin1101101001011011001101…
…1100010110110100100101
31222010111101100011111112121
43122112303130112310211
53431321404304220401
651525204250145541
73106046045520643
oct332266334266445
958114340144477
1015005331320101
1148657a8384251
1218241731222b1
1384acc58c3c65
1439c394980193
151b04ca714ca1
hexda5b3716d25

15005331320101 has 4 divisors (see below), whose sum is σ = 15210883804012. Its totient is φ = 14799778836192.

The previous prime is 15005331320071. The next prime is 15005331320123. The reversal of 15005331320101 is 10102313350051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7102491502500 + 7902839817601 = 2665050^2 + 2811199^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005331320101 - 27 = 15005331319973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005331320701) 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, 102776241846 + ... + 102776241991.

It is an arithmetic number, because the mean of its divisors is an integer number (3802720951003).

Almost surely, 215005331320101 is an apocalyptic number.

It is an amenable number.

15005331320101 is a deficient number, since it is larger than the sum of its proper divisors (205552483911).

15005331320101 is an equidigital number, since it uses as much as digits as its factorization.

15005331320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205552483910.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 15005331320101 its reverse (10102313350051), we get a palindrome (25107644670152).

The spelling of 15005331320101 in words is "fifteen trillion, five billion, three hundred thirty-one million, three hundred twenty thousand, one hundred one".

Divisors: 1 73 205552483837 15005331320101