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10210230020021 = 98591035625319
BaseRepresentation
bin1001010010010100000100…
…1000100010011110110101
31100011002101111002210121012
42110211001020202132311
52314241022341120041
633414303120002005
72102444006131463
oct224450110423665
940132344083535
1010210230020021
113287152736719
12118a989460305
13590a88a00285
1427426bb2b833
1512a8d155e3eb
hex949412227b5

10210230020021 has 4 divisors (see below), whose sum is σ = 10211265655200. Its totient is φ = 10209194384844.

The previous prime is 10210230019919. The next prime is 10210230020051. The reversal of 10210230020021 is 12002003201201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10210230020021 - 214 = 10210230003637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210230019978 and 10210230020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210230020051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517802801 + ... + 517822518.

It is an arithmetic number, because the mean of its divisors is an integer number (2552816413800).

Almost surely, 210210230020021 is an apocalyptic number.

It is an amenable number.

10210230020021 is a deficient number, since it is larger than the sum of its proper divisors (1035635179).

10210230020021 is an equidigital number, since it uses as much as digits as its factorization.

10210230020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035635178.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10210230020021 its reverse (12002003201201), we get a palindrome (22212233221222).

The spelling of 10210230020021 in words is "ten trillion, two hundred ten billion, two hundred thirty million, twenty thousand, twenty-one".

Divisors: 1 9859 1035625319 10210230020021