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210101001130020 = 22357111322336174337
BaseRepresentation
bin101111110001010111110011…
…100010100001000000100100
31000112220110102000022022212010
4233301113303202201000210
5210014243322242130040
62022503022323154220
762153203445266050
oct5761276342410044
91015813360268763
10210101001130020
1160a433748a8250
121b692b94215970
13903059346b460
1439c4d2ab36c60
151945321072e80
hexbf15f38a1024

210101001130020 has 768 divisors, whose sum is σ = 793806551580672. Its totient is φ = 40098040381440.

The previous prime is 210101001129991. The next prime is 210101001130037. The reversal of 210101001130020 is 20031100101012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210101001129978 and 210101001130005.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 48443853292 + ... + 48443857628.

It is an arithmetic number, because the mean of its divisors is an integer number (1033602280704).

Almost surely, 2210101001130020 is an apocalyptic number.

210101001130020 is a gapful number since it is divisible by the number (20) 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 210101001130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396903275790336).

210101001130020 is an abundant number, since it is smaller than the sum of its proper divisors (583705550450652).

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

210101001130020 is a wasteful number, since it uses less digits than its factorization.

210101001130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8218 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 210101001130020 its reverse (20031100101012), we get a palindrome (230132101231032).

The spelling of 210101001130020 in words is "two hundred ten trillion, one hundred one billion, one million, one hundred thirty thousand, twenty".