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2729831379 = 31182722163
BaseRepresentation
bin1010001010110101…
…1110101111010011
321001020122210122220
42202231132233103
521042314101004
61130513432123
7124435120032
oct24255365723
97036583586
102729831379
111180a117a0
1264226b643
1334672ca52
141bc79a719
1510e9c8dd9
hexa2b5ebd3

2729831379 has 8 divisors (see below), whose sum is σ = 3970663872. Its totient is φ = 1654443240.

The previous prime is 2729831371. The next prime is 2729831417. The reversal of 2729831379 is 9731389272.

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

It is not a de Polignac number, because 2729831379 - 23 = 2729831371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2729831371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41361049 + ... + 41361114.

It is an arithmetic number, because the mean of its divisors is an integer number (496332984).

Almost surely, 22729831379 is an apocalyptic number.

2729831379 is a deficient number, since it is larger than the sum of its proper divisors (1240832493).

2729831379 is a wasteful number, since it uses less digits than its factorization.

2729831379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82722177.

The product of its digits is 1143072, while the sum is 51.

The square root of 2729831379 is about 52247.7882689784. The cubic root of 2729831379 is about 1397.5862112729.

The spelling of 2729831379 in words is "two billion, seven hundred twenty-nine million, eight hundred thirty-one thousand, three hundred seventy-nine".

Divisors: 1 3 11 33 82722163 248166489 909943793 2729831379