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3220858813 = 295317312113
BaseRepresentation
bin1011111111111010…
…0110011110111101
322022110121120200011
42333332212132331
523044014440223
61251334103221
7142546563634
oct27776463675
98273546604
103220858813
1114030aa997
1275a7aab11
133c4392b23
14227a9851b
1513cb6d80d
hexbffa67bd

3220858813 has 16 divisors (see below), whose sum is σ = 3414694320. Its totient is φ = 3033232384.

The previous prime is 3220858807. The next prime is 3220858819. The reversal of 3220858813 is 3188580223.

It is an interprime number because it is at equal distance from previous prime (3220858807) and next prime (3220858819).

It can be written as a sum of positive squares in 8 ways, for example, as 224610169 + 2996248644 = 14987^2 + 54738^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220858813 - 221 = 3218761661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220858819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259845 + ... + 271957.

It is an arithmetic number, because the mean of its divisors is an integer number (213418395).

Almost surely, 23220858813 is an apocalyptic number.

It is an amenable number.

3220858813 is a deficient number, since it is larger than the sum of its proper divisors (193835507).

3220858813 is a wasteful number, since it uses less digits than its factorization.

3220858813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12368.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 3220858813 is about 56752.6106271773. The cubic root of 3220858813 is about 1476.8075227436.

The spelling of 3220858813 in words is "three billion, two hundred twenty million, eight hundred fifty-eight thousand, eight hundred thirteen".

Divisors: 1 29 53 173 1537 5017 9169 12113 265901 351277 641989 2095549 18617681 60770921 111064097 3220858813