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2942721604 = 222861257141
BaseRepresentation
bin1010111101100110…
…0101111001000100
321121002020202011001
42233121211321010
522011314042404
61204000423044
7132631502164
oct25731457104
97532222131
102942721604
1112800a9329
126a1617a84
1337b87b2b4
141dcb765a4
1512352c7a4
hexaf665e44

2942721604 has 12 divisors (see below), whose sum is σ = 5151582828. Its totient is φ = 1470840800.

The previous prime is 2942721569. The next prime is 2942721619. The reversal of 2942721604 is 4061272492.

It can be written as a sum of positive squares in 2 ways, for example, as 2376757504 + 565964100 = 48752^2 + 23790^2 .

It is a super-2 number, since 2×29427216042 = 17319220877296665632, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 117127 + ... + 140014.

It is an arithmetic number, because the mean of its divisors is an integer number (429298569).

Almost surely, 22942721604 is an apocalyptic number.

It is an amenable number.

2942721604 is a deficient number, since it is larger than the sum of its proper divisors (2208861224).

2942721604 is a wasteful number, since it uses less digits than its factorization.

2942721604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260006 (or 260004 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2942721604 is about 54246.8580103954. The cubic root of 2942721604 is about 1433.0116657414.

The spelling of 2942721604 in words is "two billion, nine hundred forty-two million, seven hundred twenty-one thousand, six hundred four".

Divisors: 1 2 4 2861 5722 11444 257141 514282 1028564 735680401 1471360802 2942721604