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3221020201 = 71924218197
BaseRepresentation
bin1011111111111100…
…1101111000101001
322022110220210001111
42333333031320221
523044040121301
61251341350321
7142551135310
oct27777157051
98273823044
103221020201
111403200173
1275a8683a1
133c441b419
14227adb277
1513cba1551
hexbffcde29

3221020201 has 8 divisors (see below), whose sum is σ = 3874911680. Its totient is φ = 2615565168.

The previous prime is 3221020171. The next prime is 3221020241. The reversal of 3221020201 is 1020201223.

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 3221020201 - 29 = 3221019689 is a prime.

It is a super-2 number, since 2×32210202012 = 20749942270500160802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221020241) 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, 12108966 + ... + 12109231.

It is an arithmetic number, because the mean of its divisors is an integer number (484363960).

Almost surely, 23221020201 is an apocalyptic number.

It is an amenable number.

3221020201 is a deficient number, since it is larger than the sum of its proper divisors (653891479).

3221020201 is a wasteful number, since it uses less digits than its factorization.

3221020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218223.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3221020201 is about 56754.0324646628. The cubic root of 3221020201 is about 1476.8321885284.

Adding to 3221020201 its reverse (1020201223), we get a palindrome (4241221424).

The spelling of 3221020201 in words is "three billion, two hundred twenty-one million, twenty thousand, two hundred one".

Divisors: 1 7 19 133 24218197 169527379 460145743 3221020201