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10020000102000 = 243537271480023
BaseRepresentation
bin1001000111001111011010…
…0010111111011001110000
31022110220101000221200222220
42101303312202333121300
52303131430011231000
633151042520401040
72052630641404500
oct221636642773160
938426330850886
1010020000102000
113213504922739
121159b39916180
13578b6086a6c5
14268d8343da00
1512599abce1a0
hex91cf68bf670

10020000102000 has 480 divisors, whose sum is σ = 38108037786624. Its totient is φ = 2258023488000.

The previous prime is 10020000101989. The next prime is 10020000102017. The reversal of 10020000102000 is 20100002001.

It is a happy number.

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 self number, because there is not a number n which added to its sum of digits gives 10020000102000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20633989 + ... + 21114011.

Almost surely, 210020000102000 is an apocalyptic number.

10020000102000 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 10020000102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19054018893312).

10020000102000 is an abundant number, since it is smaller than the sum of its proper divisors (28088037684624).

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

10020000102000 is a wasteful number, since it uses less digits than its factorization.

10020000102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480134 (or 480111 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 10020000102000 its reverse (20100002001), we get a palindrome (10040100104001).

Subtracting from 10020000102000 its reverse (20100002001), we obtain a palindrome (9999900099999).

The spelling of 10020000102000 in words is "ten trillion, twenty billion, one hundred two thousand".