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1220112119 = 231073591381
BaseRepresentation
bin100100010111001…
…0110111011110111
310011000212010011202
41020232112323313
54444322041434
6321023123115
742143532122
oct11056267367
93130763152
101220112119
115767a3326
122a074349b
13165a16945
14b80873b9
15721aea7e
hex48b96ef7

1220112119 has 16 divisors (see below), whose sum is σ = 1289571840. Its totient is φ = 1152101280.

The previous prime is 1220112109. The next prime is 1220112121. The reversal of 1220112119 is 9112110221.

It is a de Polignac number, because none of the positive numbers 2k-1220112119 is a prime.

It is a super-2 number, since 2×12201121192 = 2977347165861340322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220112119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220112109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 882809 + ... + 884189.

It is an arithmetic number, because the mean of its divisors is an integer number (80598240).

Almost surely, 21220112119 is an apocalyptic number.

1220112119 is a deficient number, since it is larger than the sum of its proper divisors (69459721).

1220112119 is a wasteful number, since it uses less digits than its factorization.

1220112119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1220112119 is about 34930.1033350891. The cubic root of 1220112119 is about 1068.5624620655.

The spelling of 1220112119 in words is "one billion, two hundred twenty million, one hundred twelve thousand, one hundred nineteen".

Divisors: 1 23 107 359 1381 2461 8257 31763 38413 147767 495779 883499 3398641 11402917 53048353 1220112119