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2872079749 = 711371008101
BaseRepresentation
bin1010101100110000…
…0111010110000101
321102011022202202001
42223030013112011
521340223022444
61152554345301
7131113163230
oct25314072605
97364282661
102872079749
11124423a030
12681a2b231
1336a046596
141d3628417
1511c2268d4
hexab307585

2872079749 has 16 divisors (see below), whose sum is σ = 3677556096. Its totient is φ = 2177496000.

The previous prime is 2872079731. The next prime is 2872079761. The reversal of 2872079749 is 9479702782.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2872079749 - 213 = 2872071557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2872079749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872079719) 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, 501202 + ... + 506899.

It is an arithmetic number, because the mean of its divisors is an integer number (229847256).

Almost surely, 22872079749 is an apocalyptic number.

It is an amenable number.

2872079749 is a deficient number, since it is larger than the sum of its proper divisors (805476347).

2872079749 is a wasteful number, since it uses less digits than its factorization.

2872079749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008156.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 2872079749 is about 53591.7880742936. The cubic root of 2872079749 is about 1421.4518888348.

The spelling of 2872079749 in words is "two billion, eight hundred seventy-two million, seventy-nine thousand, seven hundred forty-nine".

Divisors: 1 7 11 37 77 259 407 2849 1008101 7056707 11089111 37299737 77623777 261098159 410297107 2872079749