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3199218020 = 225159960901
BaseRepresentation
bin1011111010110000…
…0011000101100100
322020221220010002022
42332230003011210
523022444434040
61245242202312
7142164622145
oct27654030544
98227803068
103199218020
1113a1969939
127534b3398
133bca5691b
14224c63acc
1513ace66b5
hexbeb03164

3199218020 has 12 divisors (see below), whose sum is σ = 6718357884. Its totient is φ = 1279687200.

The previous prime is 3199218019. The next prime is 3199218067. The reversal of 3199218020 is 208129913.

It can be written as a sum of positive squares in 2 ways, for example, as 930982144 + 2268235876 = 30512^2 + 47626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79980431 + ... + 79980470.

It is an arithmetic number, because the mean of its divisors is an integer number (559863157).

Almost surely, 23199218020 is an apocalyptic number.

It is an amenable number.

3199218020 is an abundant number, since it is smaller than the sum of its proper divisors (3519139864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3199218020 is a wasteful number, since it uses less digits than its factorization.

3199218020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159960910 (or 159960908 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 3199218020 is about 56561.6302806063. The cubic root of 3199218020 is about 1473.4925547209.

The spelling of 3199218020 in words is "three billion, one hundred ninety-nine million, two hundred eighteen thousand, twenty".

Divisors: 1 2 4 5 10 20 159960901 319921802 639843604 799804505 1599609010 3199218020