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2202121313 = 71091288349
BaseRepresentation
bin1000001101000001…
…1011010001100001
312200110200100112122
42003100123101201
514002220340223
61002303034025
7105366502520
oct20320332141
95613610478
102202121313
11a30049377
1251559b915
132912c5082
1416c6704b7
15cd4da5c8
hex8341b461

2202121313 has 8 divisors (see below), whose sum is σ = 2519025600. Its totient is φ = 1885795920.

The previous prime is 2202121309. The next prime is 2202121319. The reversal of 2202121313 is 3131212022.

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 2202121313 - 22 = 2202121309 is a prime.

It is a super-4 number, since 4×22021213134 (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2202121291 and 2202121300.

It is not an unprimeable number, because it can be changed into a prime (2202121319) 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, 136538 + ... + 151811.

It is an arithmetic number, because the mean of its divisors is an integer number (314878200).

Almost surely, 22202121313 is an apocalyptic number.

It is an amenable number.

2202121313 is a deficient number, since it is larger than the sum of its proper divisors (316904287).

2202121313 is a wasteful number, since it uses less digits than its factorization.

2202121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289447.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2202121313 is about 46926.7654223046. The cubic root of 2202121313 is about 1301.0093370420.

Adding to 2202121313 its reverse (3131212022), we get a palindrome (5333333335).

It can be divided in two parts, 22021 and 21313, that added together give a palindrome (43334).

The spelling of 2202121313 in words is "two billion, two hundred two million, one hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 7 1091 7637 288349 2018443 314588759 2202121313