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103561300613 = 147629701497
BaseRepresentation
bin110000001110010111…
…1000000101010000101
3100220022100212011021102
41200130233000222011
53144043143104423
6115324142025445
710324226350061
oct1403457005205
9326270764242
10103561300613
113aa13721a51
12180a2578285
1399c5590004
145026018aa1
152a61c04c28
hex181cbc0a85

103561300613 has 4 divisors (see below), whose sum is σ = 103562149740. Its totient is φ = 103560451488.

The previous prime is 103561300607. The next prime is 103561300637. The reversal of 103561300613 is 316003165301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 61297341889 + 42263958724 = 247583^2 + 205582^2 .

It is a cyclic number.

It is not a de Polignac number, because 103561300613 - 228 = 103292865157 is a prime.

It is a super-3 number, since 3×1035613006133 (a number of 34 digits) contains 333 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 (103561300673) 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, 203120 + ... + 498377.

It is an arithmetic number, because the mean of its divisors is an integer number (25890537435).

Almost surely, 2103561300613 is an apocalyptic number.

It is an amenable number.

103561300613 is a deficient number, since it is larger than the sum of its proper divisors (849127).

103561300613 is an equidigital number, since it uses as much as digits as its factorization.

103561300613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849126.

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 103561300613 its reverse (316003165301), we get a palindrome (419564465914).

The spelling of 103561300613 in words is "one hundred three billion, five hundred sixty-one million, three hundred thousand, six hundred thirteen".

Divisors: 1 147629 701497 103561300613