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10111020000 = 25354433919
BaseRepresentation
bin10010110101010100…
…11110101111100000
3222002122200000221020
421122222132233200
5131201410120000
64351150125440
7505363152264
oct113252365740
928078600836
1010111020000
114319452a84
121b621b0880
13c519bbb93
146bcbc20a4
153e29dcba0
hex25aa9ebe0

10111020000 has 240 divisors, whose sum is σ = 33946133760. Its totient is φ = 2632896000.

The previous prime is 10111019983. The next prime is 10111020001. The reversal of 10111020000 is 2011101.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111020001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2578041 + ... + 2581959.

It is an arithmetic number, because the mean of its divisors is an integer number (141442224).

Almost surely, 210111020000 is an apocalyptic number.

10111020000 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 10111020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16973066880).

10111020000 is an abundant number, since it is smaller than the sum of its proper divisors (23835113760).

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

10111020000 is an equidigital number, since it uses as much as digits as its factorization.

10111020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10111020000 its reverse (2011101), we get a palindrome (10113031101).

The spelling of 10111020000 in words is "ten billion, one hundred eleven million, twenty thousand".