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2065371220 = 2251110192951
BaseRepresentation
bin111101100011011…
…0001000001010100
312022221100201200101
41323012301001110
513212213334340
6540540023444
7102116236303
oct17306610124
95287321611
102065371220
1196a936a70
12497831b84
1326bb85063
1415843443a
15c14c6c9a
hex7b1b1054

2065371220 has 48 divisors (see below), whose sum is σ = 4778476416. Its totient is φ = 743600000.

The previous prime is 2065371211. The next prime is 2065371221. The reversal of 2065371220 is 221735602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065371221) 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, 24256 + ... + 68695.

It is an arithmetic number, because the mean of its divisors is an integer number (99551592).

Almost surely, 22065371220 is an apocalyptic number.

2065371220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065371220 is an abundant number, since it is smaller than the sum of its proper divisors (2713105196).

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

2065371220 is a wasteful number, since it uses less digits than its factorization.

2065371220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93072 (or 93070 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2065371220 is about 45446.3554094275. The cubic root of 2065371220 is about 1273.5012444220.

The spelling of 2065371220 in words is "two billion, sixty-five million, three hundred seventy-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 101 110 202 220 404 505 1010 1111 2020 2222 4444 5555 11110 22220 92951 185902 371804 464755 929510 1022461 1859020 2044922 4089844 5112305 9388051 10224610 18776102 20449220 37552204 46940255 93880510 103268561 187761020 206537122 413074244 516342805 1032685610 2065371220