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3320213421 = 37158105401
BaseRepresentation
bin1100010111100110…
…0110111110101101
322120101120022120110
43011321212332231
523244433312141
61305243410233
7145164230340
oct30571467655
98511508513
103320213421
1114541a0538
12787b23979
1340bb3b935
14236d5c457
15146746e16
hexc5e66fad

3320213421 has 8 divisors (see below), whose sum is σ = 5059372864. Its totient is φ = 1897264800.

The previous prime is 3320213411. The next prime is 3320213431. The reversal of 3320213421 is 1243120233.

It is an interprime number because it is at equal distance from previous prime (3320213411) and next prime (3320213431).

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

It is not a de Polignac number, because 3320213421 - 27 = 3320213293 is a prime.

It is a super-2 number, since 2×33202134212 = 22047634321977046482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 158105401 = 3320213421 / (3 + 3 + 2 + 0 + 2 + 1 + 3 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320213411) 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, 79052680 + ... + 79052721.

It is an arithmetic number, because the mean of its divisors is an integer number (632421608).

Almost surely, 23320213421 is an apocalyptic number.

It is an amenable number.

3320213421 is a deficient number, since it is larger than the sum of its proper divisors (1739159443).

3320213421 is a wasteful number, since it uses less digits than its factorization.

3320213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158105411.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3320213421 is about 57621.2931215536. The cubic root of 3320213421 is about 1491.8391506562.

Adding to 3320213421 its reverse (1243120233), we get a palindrome (4563333654).

The spelling of 3320213421 in words is "three billion, three hundred twenty million, two hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 3 7 21 158105401 474316203 1106737807 3320213421