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113242203145 = 51931378911677
BaseRepresentation
bin110100101110111000…
…0101110010000001001
3101211022001011221222001
41221131300232100021
53323410001000040
6124004525231001
711116150562521
oct1513560562011
9354261157861
10113242203145
11440312a9345
1219b44702461
13a8a9123cc6
1456a3a36681
152e2ba8059a
hex1a5dc2e409

113242203145 has 64 divisors (see below), whose sum is σ = 153364838400. Its totient is φ = 79897466880.

The previous prime is 113242203143. The next prime is 113242203181. The reversal of 113242203145 is 541302242311.

It is not a de Polignac number, because 113242203145 - 21 = 113242203143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113242203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9692047 + ... + 9703723.

It is an arithmetic number, because the mean of its divisors is an integer number (2396325600).

Almost surely, 2113242203145 is an apocalyptic number.

It is an amenable number.

113242203145 is a deficient number, since it is larger than the sum of its proper divisors (40122635255).

113242203145 is a wasteful number, since it uses less digits than its factorization.

113242203145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 113242203145 its reverse (541302242311), we get a palindrome (654544445456).

The spelling of 113242203145 in words is "one hundred thirteen billion, two hundred forty-two million, two hundred three thousand, one hundred forty-five".

Divisors: 1 5 19 31 37 89 95 155 185 445 589 703 1147 1691 2759 2945 3293 3515 5735 8455 11677 13795 16465 21793 52421 58385 62567 102083 108965 221863 262105 312835 361987 432049 510415 1039253 1109315 1809935 1939577 2160245 5196265 6877753 8208931 9697885 13393519 19745807 32216843 34388765 38452361 41044655 66967595 98729035 161084215 192261805 254476861 612120017 730594859 1192023191 1272384305 3060600085 3652974295 5960115955 22648440629 113242203145