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7704242142 = 231131572461
BaseRepresentation
bin1110010110011010…
…10110011111011110
3201212220220001101120
413023031112133132
5111234241222032
63312252351410
7361626656232
oct71315263736
921786801346
107704242142
1132a3931173
1215b0175566
1395a19c17c
145312ba5c2
1530157862c
hex1cb3567de

7704242142 has 48 divisors (see below), whose sum is σ = 15678420912. Its totient is φ = 2523655680.

The previous prime is 7704242093. The next prime is 7704242153. The reversal of 7704242142 is 2412424077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16711792 + ... + 16712252.

It is an arithmetic number, because the mean of its divisors is an integer number (326633769).

Almost surely, 27704242142 is an apocalyptic number.

7704242142 is an abundant number, since it is smaller than the sum of its proper divisors (7974178770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7704242142 is a wasteful number, since it uses less digits than its factorization.

7704242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 7704242142 is about 87773.8123929911. The cubic root of 7704242142 is about 1975.0433909817.

The spelling of 7704242142 in words is "seven billion, seven hundred four million, two hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 113 157 226 314 339 461 471 678 922 942 1383 2766 17741 24649 35482 49298 52093 53223 72377 73947 104186 106446 144754 147894 156279 217131 312558 434262 2785337 5570674 8178601 8356011 11363189 16357202 16712022 22726378 24535803 34089567 49071606 68179134 1284040357 2568080714 3852121071 7704242142