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2745310143 = 32931555289
BaseRepresentation
bin1010001110100010…
…0001101110111111
321002022210012112110
42203220201232333
521110244411033
61132225305103
7125013515442
oct24350415677
97068705473
102745310143
111189724164
12647495193
133499bc294
141c0869659
15111035363
hexa3a21bbf

2745310143 has 8 divisors (see below), whose sum is σ = 3786634800. Its totient is φ = 1767096128.

The previous prime is 2745310129. The next prime is 2745310223. The reversal of 2745310143 is 3410135472.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2745310143 - 25 = 2745310111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2745310143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745317143) 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, 15777558 + ... + 15777731.

It is an arithmetic number, because the mean of its divisors is an integer number (473329350).

Almost surely, 22745310143 is an apocalyptic number.

2745310143 is a deficient number, since it is larger than the sum of its proper divisors (1041324657).

2745310143 is a wasteful number, since it uses less digits than its factorization.

2745310143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555321.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2745310143 is about 52395.7072955409. The cubic root of 2745310143 is about 1400.2227779835. Note that the first 3 decimals are identical.

The spelling of 2745310143 in words is "two billion, seven hundred forty-five million, three hundred ten thousand, one hundred forty-three".

Divisors: 1 3 29 87 31555289 94665867 915103381 2745310143