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2002202200021 = 19541194785699
BaseRepresentation
bin11101001000101100100…
…011010000011111010101
321002102000220200012110211
4131020230203100133111
5230301002230400041
64131444325445421
7264440302616212
oct35105443203725
97072026605424
102002202200021
11702146a43301
12284059570871
13116a648861ca
146cc9b140b09
15371364d1481
hex1d22c8d07d5

2002202200021 has 8 divisors (see below), whose sum is σ = 2111476988000. Its totient is φ = 1893316984560.

The previous prime is 2002202199953. The next prime is 2002202200039. The reversal of 2002202200021 is 1200022022002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002202200021 - 233 = 1993612265429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002202199974 and 2002202200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002202200091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97382571 + ... + 97403128.

It is an arithmetic number, because the mean of its divisors is an integer number (263934623500).

Almost surely, 22002202200021 is an apocalyptic number.

It is an amenable number.

2002202200021 is a deficient number, since it is larger than the sum of its proper divisors (109274787979).

2002202200021 is a wasteful number, since it uses less digits than its factorization.

2002202200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194786259.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2002202200021 its reverse (1200022022002), we get a palindrome (3202224222023).

The spelling of 2002202200021 in words is "two trillion, two billion, two hundred two million, two hundred thousand, twenty-one".

Divisors: 1 19 541 10279 194785699 3700928281 105379063159 2002202200021