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11202115031 = 1747137102337
BaseRepresentation
bin10100110111011001…
…01011010111010111
31001220200202101221022
422123230223113113
5140420220140111
65051324111355
7544412256332
oct123354532727
931820671838
1011202115031
114829335908
12220769555b
131096a72543
14783a83619
154586b52db
hex29bb2b5d7

11202115031 has 16 divisors (see below), whose sum is σ = 12201964416. Its totient is φ = 10243424256.

The previous prime is 11202115013. The next prime is 11202115069. The reversal of 11202115031 is 13051120211.

It is not a de Polignac number, because 11202115031 - 218 = 11201852887 is a prime.

It is a super-2 number, since 2×112021150312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202115231) 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, 58295 + ... + 160631.

It is an arithmetic number, because the mean of its divisors is an integer number (762622776).

Almost surely, 211202115031 is an apocalyptic number.

11202115031 is a deficient number, since it is larger than the sum of its proper divisors (999849385).

11202115031 is a wasteful number, since it uses less digits than its factorization.

11202115031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102538.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11202115031 its reverse (13051120211), we get a palindrome (24253235242).

The spelling of 11202115031 in words is "eleven billion, two hundred two million, one hundred fifteen thousand, thirty-one".

Divisors: 1 17 47 137 799 2329 6439 102337 109463 1739729 4809839 14020169 81767263 238342873 658947943 11202115031