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1030400112 = 243727711071
BaseRepresentation
bin111101011010101…
…010100001110000
32122210212202020010
4331122222201300
54102240300422
6250125014520
734351153650
oct7532524160
92583782203
101030400112
114896a7945
122490b4440
13135622311
149abc2360
15606d8b0c
hex3d6aa870

1030400112 has 80 divisors (see below), whose sum is σ = 3053391872. Its totient is φ = 293310720.

The previous prime is 1030400101. The next prime is 1030400117. The reversal of 1030400112 is 2110040301.

It is a happy number.

1030400112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10304001122 = 2123448781619225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030400117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87537 + ... + 98607.

Almost surely, 21030400112 is an apocalyptic number.

1030400112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030400112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526695936).

1030400112 is an abundant number, since it is smaller than the sum of its proper divisors (2022991760).

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

1030400112 is a wasteful number, since it uses less digits than its factorization.

1030400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366 (or 11360 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1030400112 is about 32099.8459809389. The cubic root of 1030400112 is about 1010.0323853289.

Adding to 1030400112 its reverse (2110040301), we get a palindrome (3140440413).

The spelling of 1030400112 in words is "one billion, thirty million, four hundred thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 277 336 554 831 1108 1662 1939 2216 3324 3878 4432 5817 6648 7756 11071 11634 13296 15512 22142 23268 31024 33213 44284 46536 66426 77497 88568 93072 132852 154994 177136 232491 265704 309988 464982 531408 619976 929964 1239952 1859928 3066667 3719856 6133334 9200001 12266668 18400002 21466669 24533336 36800004 42933338 49066672 64400007 73600008 85866676 128800014 147200016 171733352 257600028 343466704 515200056 1030400112