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31244449416 = 2336611969519
BaseRepresentation
bin11101000110010100…
…000111011010001000
32222122110221111001020
4131012110013122020
51002442034340131
622204204552440
72154160303155
oct350624073210
988573844036
1031244449416
111228374a324
12607b852720
132c3c1503bb
14172582922c
15c2cee4996
hex746507688

31244449416 has 32 divisors (see below), whose sum is σ = 78229334400. Its totient is φ = 10399055040.

The previous prime is 31244449351. The next prime is 31244449421. The reversal of 31244449416 is 61494444213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968896 + ... + 1000623.

It is an arithmetic number, because the mean of its divisors is an integer number (2444666700).

Almost surely, 231244449416 is an apocalyptic number.

It is an amenable number.

31244449416 is an abundant number, since it is smaller than the sum of its proper divisors (46984884984).

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

31244449416 is a wasteful number, since it uses less digits than its factorization.

31244449416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970189 (or 1970185 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 31244449416 in words is "thirty-one billion, two hundred forty-four million, four hundred forty-nine thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 661 1322 1983 2644 3966 5288 7932 15864 1969519 3939038 5908557 7878076 11817114 15756152 23634228 47268456 1301852059 2603704118 3905556177 5207408236 7811112354 10414816472 15622224708 31244449416