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2144331332 = 2211133748831
BaseRepresentation
bin111111111001111…
…1110011001000100
312112102221022120222
41333303332121010
513342422100312
6552440243512
7104065341563
oct17763763104
95472838528
102144331332
11a00467960
124ba170598
13282340010
14164b09bda
15c83c2672
hex7fcfe644

2144331332 has 24 divisors (see below), whose sum is σ = 4408626432. Its totient is φ = 899719200.

The previous prime is 2144331323. The next prime is 2144331361. The reversal of 2144331332 is 2331334412.

It is a super-2 number, since 2×21443313322 = 9196313722793788448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873844 + ... + 1874987.

It is an arithmetic number, because the mean of its divisors is an integer number (183692768).

Almost surely, 22144331332 is an apocalyptic number.

2144331332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2144331332 is an abundant number, since it is smaller than the sum of its proper divisors (2264295100).

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

2144331332 is a wasteful number, since it uses less digits than its factorization.

2144331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748859 (or 3748857 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 2144331332 is about 46306.9253136073. The cubic root of 2144331332 is about 1289.5275661209.

Adding to 2144331332 its reverse (2331334412), we get a palindrome (4475665744).

The spelling of 2144331332 in words is "two billion, one hundred forty-four million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 3748831 7497662 14995324 41237141 48734803 82474282 97469606 164948564 194939212 536082833 1072165666 2144331332