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2942721596 = 221938720021
BaseRepresentation
bin1010111101100110…
…0101111000111100
321121002020202010202
42233121211320330
522011314042341
61204000423032
7132631502153
oct25731457074
97532222122
102942721596
1112800a9321
126a1617a78
1337b87b2a9
141dcb7659a
1512352c79b
hexaf665e3c

2942721596 has 12 divisors (see below), whose sum is σ = 5420803080. Its totient is φ = 1393920720.

The previous prime is 2942721569. The next prime is 2942721619. The reversal of 2942721596 is 6951272492.

It is a happy number.

It is a super-2 number, since 2×29427215962 = 17319220783129574432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2942721596.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19359935 + ... + 19360086.

It is an arithmetic number, because the mean of its divisors is an integer number (451733590).

Almost surely, 22942721596 is an apocalyptic number.

It is an amenable number.

2942721596 is a deficient number, since it is larger than the sum of its proper divisors (2478081484).

2942721596 is a wasteful number, since it uses less digits than its factorization.

2942721596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38720044 (or 38720042 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 2942721596 is about 54246.8579366584. The cubic root of 2942721596 is about 1433.0116644428.

The spelling of 2942721596 in words is "two billion, nine hundred forty-two million, seven hundred twenty-one thousand, five hundred ninety-six".

Divisors: 1 2 4 19 38 76 38720021 77440042 154880084 735680399 1471360798 2942721596