Search a number
-
+
113231022112020 = 2235191313112437973
BaseRepresentation
bin11001101111101110100110…
…110110011011110100010100
3112211220210001121200022112110
4121233232212312123310110
5104320134113130041040
61040453340300551020
732564446166364141
oct3157564666336424
9484823047608473
10113231022112020
1133096009067a7a
1210848b20252470
134b24841195317
141dd65a6dc93c8
15d155eab02980
hex66fba6d9bd14

113231022112020 has 192 divisors, whose sum is σ = 337362551285760. Its totient is φ = 28296078220800.

The previous prime is 113231022112007. The next prime is 113231022112049. The reversal of 113231022112020 is 20211220132311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45225754 + ... + 47663726.

It is an arithmetic number, because the mean of its divisors is an integer number (1757096621280).

Almost surely, 2113231022112020 is an apocalyptic number.

113231022112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113231022112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168681275642880).

113231022112020 is an abundant number, since it is smaller than the sum of its proper divisors (224131529173740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113231022112020 is a wasteful number, since it uses less digits than its factorization.

113231022112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438446 (or 2438444 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 113231022112020 its reverse (20211220132311), we get a palindrome (133442242244331).

The spelling of 113231022112020 in words is "one hundred thirteen trillion, two hundred thirty-one billion, twenty-two million, one hundred twelve thousand, twenty".