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2722909139 = 47208927733
BaseRepresentation
bin1010001001001100…
…0100101111010011
321000202122010010122
42202103010233103
521034031043024
61130105220455
7124322226416
oct24223045723
97022563118
102722909139
111178013a35
1263ba9172b
13345178052
141bb8b7b7d
1510e0acd5e
hexa24c4bd3

2722909139 has 8 divisors (see below), whose sum is σ = 2782274880. Its totient is φ = 2663603136.

The previous prime is 2722909127. The next prime is 2722909181. The reversal of 2722909139 is 9319092272.

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 2722909139 - 28 = 2722908883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722909139.

It is not an unprimeable number, because it can be changed into a prime (2722909109) 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, 84317 + ... + 112049.

It is an arithmetic number, because the mean of its divisors is an integer number (347784360).

Almost surely, 22722909139 is an apocalyptic number.

2722909139 is a deficient number, since it is larger than the sum of its proper divisors (59365741).

2722909139 is a wasteful number, since it uses less digits than its factorization.

2722909139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 2722909139 is about 52181.5018852467. The cubic root of 2722909139 is about 1396.4038896367.

The spelling of 2722909139 in words is "two billion, seven hundred twenty-two million, nine hundred nine thousand, one hundred thirty-nine".

Divisors: 1 47 2089 27733 98183 1303451 57934237 2722909139