Search a number
-
+
131103612122 = 2724773780599
BaseRepresentation
bin111101000011001100…
…0100101110011011010
3110112101211120112211212
41322012120211303122
54122000011041442
6140121141223122
712320604213260
oct1720630456332
9415354515755
10131103612122
115066763126a
12214aa401aa2
13c49471b662
1464b9ca8430
153624baea82
hex1e86625cda

131103612122 has 16 divisors (see below), whose sum is σ = 224839843200. Its totient is φ = 56164563888.

The previous prime is 131103612097. The next prime is 131103612137. The reversal of 131103612122 is 221216301131.

It is a super-2 number, since 2×1311036121222 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855622 + ... + 1924977.

It is an arithmetic number, because the mean of its divisors is an integer number (14052490200).

Almost surely, 2131103612122 is an apocalyptic number.

131103612122 is a deficient number, since it is larger than the sum of its proper divisors (93736231078).

131103612122 is a wasteful number, since it uses less digits than its factorization.

131103612122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783085.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131103612122 its reverse (221216301131), we get a palindrome (352319913253).

The spelling of 131103612122 in words is "one hundred thirty-one billion, one hundred three million, six hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 7 14 2477 4954 17339 34678 3780599 7561198 26464193 52928386 9364543723 18729087446 65551806061 131103612122