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10113123020 = 225711132917419
BaseRepresentation
bin10010110101100101…
…00000001011001100
3222002210121212201212
421122302200023030
5131202424414040
64351303153552
7505420061450
oct113262401314
928083555655
1010113123020
11431a65a010
121b62a458b8
13c52277180
146bd1ac660
153e2ca5d65
hex25aca02cc

10113123020 has 192 divisors, whose sum is σ = 29499724800. Its totient is φ = 2809175040.

The previous prime is 10113122953. The next prime is 10113123029. The reversal of 10113123020 is 2032131101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10113122986 and 10113123004.

It is not an unprimeable number, because it can be changed into a prime (10113123029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 571871 + ... + 589289.

It is an arithmetic number, because the mean of its divisors is an integer number (153644400).

Almost surely, 210113123020 is an apocalyptic number.

10113123020 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 10113123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14749862400).

10113123020 is an abundant number, since it is smaller than the sum of its proper divisors (19386601780).

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

10113123020 is a wasteful number, since it uses less digits than its factorization.

10113123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488 (or 17486 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10113123020 its reverse (2032131101), we get a palindrome (12145254121).

The spelling of 10113123020 in words is "ten billion, one hundred thirteen million, one hundred twenty-three thousand, twenty".