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3320221985 = 531891012383
BaseRepresentation
bin1100010111100110…
…1001000100100001
322120101120202022122
43011321221010201
523244434100420
61305243514025
7145164264323
oct30571510441
98511522278
103320221985
1114541a6a13
12787b28915
1340bb427c2
14236d61613
15146749725
hexc5e69121

3320221985 has 32 divisors (see below), whose sum is σ = 4201943040. Its totient is φ = 2515392000.

The previous prime is 3320221979. The next prime is 3320221999. The reversal of 3320221985 is 5891220233.

It is a de Polignac number, because none of the positive numbers 2k-3320221985 is a prime.

It is a super-2 number, since 2×33202219852 = 22047748059354680450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392104 + ... + 1394486.

It is an arithmetic number, because the mean of its divisors is an integer number (131310720).

Almost surely, 23320221985 is an apocalyptic number.

It is an amenable number.

3320221985 is a deficient number, since it is larger than the sum of its proper divisors (881721055).

3320221985 is a wasteful number, since it uses less digits than its factorization.

3320221985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3320221985 is about 57621.3674343121. The cubic root of 3320221985 is about 1491.8404333146.

The spelling of 3320221985 in words is "three billion, three hundred twenty million, two hundred twenty-one thousand, nine hundred eighty-five".

Divisors: 1 5 31 89 101 155 445 505 2383 2759 3131 8989 11915 13795 15655 44945 73873 212087 240683 278659 369365 1060435 1203415 1393295 6574697 7461173 21420787 32873485 37305865 107103935 664044397 3320221985