Search a number
-
+
13102302312013 = 193833080958441
BaseRepresentation
bin1011111010101001111000…
…0100110011011001001101
31201101120022222100102212111
42332222132010303121031
53204132003342441023
643511040430104021
72521416160040665
oct276523604633115
951346288312774
1013102302312013
1141a17230959a2
12157739264b011
1374070746c455
14334224b571a5
1517ac4aa9d00d
hexbea9e13364d

13102302312013 has 16 divisors (see below), whose sum is σ = 13828592793600. Its totient is φ = 12379684619520.

The previous prime is 13102302311977. The next prime is 13102302312019. The reversal of 13102302312013 is 31021320320131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13102302312013 is a prime.

It is a super-2 number, since 2×131023023120132 (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 (13102302312019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224167873 + ... + 224226313.

It is an arithmetic number, because the mean of its divisors is an integer number (864287049600).

Almost surely, 213102302312013 is an apocalyptic number.

It is an amenable number.

13102302312013 is a deficient number, since it is larger than the sum of its proper divisors (726290481587).

13102302312013 is a wasteful number, since it uses less digits than its factorization.

13102302312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89652.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13102302312013 its reverse (31021320320131), we get a palindrome (44123622632144).

The spelling of 13102302312013 in words is "thirteen trillion, one hundred two billion, three hundred two million, three hundred twelve thousand, thirteen".

Divisors: 1 19 383 7277 30809 58441 585371 1110379 11799847 22382903 224197093 425275157 1800508769 34209666611 689594858527 13102302312013