Search a number
-
+
1030120031112 = 233443868111161
BaseRepresentation
bin11101111110101111111…
…00000100001110001000
310122110220211120112120220
432333113330010032020
5113334141211443422
62105121451150040
7134265222535554
oct16772774041610
93573824515526
101030120031112
113679649a2097
12147789145320
13761a8498a63
1437c027b8864
151bbe0b9ee5c
hexefd7f04388

1030120031112 has 64 divisors (see below), whose sum is σ = 2581642013760. Its totient is φ = 342528076800.

The previous prime is 1030120031027. The next prime is 1030120031173. The reversal of 1030120031112 is 2111300210301.

It is a happy number.

It is a super-2 number, since 2×10301200311122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030120031091 and 1030120031100.

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, 92290812 + ... + 92301972.

It is an arithmetic number, because the mean of its divisors is an integer number (40338156465).

Almost surely, 21030120031112 is an apocalyptic number.

1030120031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030120031112 is an abundant number, since it is smaller than the sum of its proper divisors (1551521982648).

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

1030120031112 is a wasteful number, since it uses less digits than its factorization.

1030120031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20294 (or 20290 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1030120031112 its reverse (2111300210301), we get a palindrome (3141420241413).

The spelling of 1030120031112 in words is "one trillion, thirty billion, one hundred twenty million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 443 886 1329 1772 2658 3544 5316 8681 10632 11161 17362 22322 26043 33483 34724 44644 52086 66966 69448 89288 104172 133932 208344 267864 3845683 4944323 7691366 9888646 11537049 14832969 15382732 19777292 23074098 29665938 30765464 39554584 46148196 59331876 92296392 96888641 118663752 193777282 290665923 387554564 581331846 775109128 1162663692 2325327384 42921667963 85843335926 128765003889 171686671852 257530007778 343373343704 515060015556 1030120031112