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2799930142 = 21399965071
BaseRepresentation
bin1010011011100011…
…1000101100011110
321020010120012002101
42212320320230132
521213240231032
61141500115314
7126246004432
oct24670705436
97203505071
102799930142
11120753aa59
12661835b3a
133581044c9
141c7c069c2
15115c23de7
hexa6e38b1e

2799930142 has 4 divisors (see below), whose sum is σ = 4199895216. Its totient is φ = 1399965070.

The previous prime is 2799930109. The next prime is 2799930151. The reversal of 2799930142 is 2410399972.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2799930092 and 2799930101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699982534 + ... + 699982537.

It is an arithmetic number, because the mean of its divisors is an integer number (1049973804).

Almost surely, 22799930142 is an apocalyptic number.

2799930142 is a deficient number, since it is larger than the sum of its proper divisors (1399965074).

2799930142 is a wasteful number, since it uses less digits than its factorization.

2799930142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399965073.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 2799930142 is about 52914.3661211206. The cubic root of 2799930142 is about 1409.4480246442.

The spelling of 2799930142 in words is "two billion, seven hundred ninety-nine million, nine hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 1399965071 2799930142