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112969259881 = 3361092
BaseRepresentation
bin110100100110101111…
…1100001101101101001
3101210121000121000012021
41221031133201231221
53322330112304011
6123521455144441
711106324602542
oct1511537415551
9353530530167
10112969259881
1143a01224aa5
1219a89215121
13a86470a60a
1456796a74c9
152e12b18471
hex1a4d7e1b69

112969259881 has 3 divisors (see below), whose sum is σ = 112969595991. Its totient is φ = 112968923772.

The previous prime is 112969259833. The next prime is 112969259933. The reversal of 112969259881 is 188952969211.

The square root of 112969259881 is 336109.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 110263179481 + 2706080400 = 332059^2 + 52020^2 .

It is not a de Polignac number, because 112969259881 - 223 = 112960871273 is a prime.

It is a super-2 number, since 2×1129692598812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112969259981) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 168055 + ... + 504163.

It is an arithmetic number, because the mean of its divisors is an integer number (37656531997).

Almost surely, 2112969259881 is an apocalyptic number.

112969259881 is the 336109-th square number.

112969259881 is the 168055-th centered octagonal number.

It is an amenable number.

112969259881 is a deficient number, since it is larger than the sum of its proper divisors (336110).

112969259881 is an frugal number, since it uses more digits than its factorization.

112969259881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672218 (or 336109 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 61.

The spelling of 112969259881 in words is "one hundred twelve billion, nine hundred sixty-nine million, two hundred fifty-nine thousand, eight hundred eighty-one".

Divisors: 1 336109 112969259881