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1112319988 = 2213137193809
BaseRepresentation
bin100001001001100…
…1010011111110100
32212112000201011121
41002103022133310
54234223214423
6302212513324
736364364263
oct10223123764
92775021147
101112319988
1152096a51a
1227061b844
131495a5510
14a7a285da
15679bb45d
hex424ca7f4

1112319988 has 48 divisors (see below), whose sum is σ = 2125161360. Its totient is φ = 506363904.

The previous prime is 1112319941. The next prime is 1112320003. The reversal of 1112319988 is 8899132111.

It can be written as a sum of positive squares in 8 ways, for example, as 5560164 + 1106759824 = 2358^2 + 33268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374528 + ... + 1375336.

It is an arithmetic number, because the mean of its divisors is an integer number (44274195).

Almost surely, 21112319988 is an apocalyptic number.

It is an amenable number.

1112319988 is a deficient number, since it is larger than the sum of its proper divisors (1012841372).

1112319988 is a wasteful number, since it uses less digits than its factorization.

1112319988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1154 counting only the distinct ones).

The product of its digits is 31104, while the sum is 43.

The square root of 1112319988 is about 33351.4615571792. The cubic root of 1112319988 is about 1036.1196586643.

The spelling of 1112319988 in words is "one billion, one hundred twelve million, three hundred nineteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 13 26 52 137 193 274 386 548 772 809 1618 1781 2509 3236 3562 5018 7124 10036 10517 21034 26441 42068 52882 105764 110833 156137 221666 312274 343733 443332 624548 687466 1374932 1440829 2029781 2881658 4059562 5763316 8119124 21390769 42781538 85563076 278079997 556159994 1112319988