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1031020112 = 244110315259
BaseRepresentation
bin111101011101000…
…001111001010000
32122212001020201002
4331131001321100
54102420120422
6250150201132
734356345353
oct7535017120
92585036632
101031020112
11489a90741
122493531a8
131357ab595
149ad0429a
15607ac692
hex3d741e50

1031020112 has 40 divisors (see below), whose sum is σ = 2066326080. Its totient is φ = 498021120.

The previous prime is 1031020079. The next prime is 1031020127. The reversal of 1031020112 is 2110201301.

1031020112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1031020093 and 1031020102.

It is a congruent number.

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, 59939 + ... + 75197.

It is an arithmetic number, because the mean of its divisors is an integer number (51658152).

Almost surely, 21031020112 is an apocalyptic number.

It is an amenable number.

1031020112 is an abundant number, since it is smaller than the sum of its proper divisors (1035305968).

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

1031020112 is a wasteful number, since it uses less digits than its factorization.

1031020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411 (or 15405 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1031020112 is about 32109.5018958563. The cubic root of 1031020112 is about 1010.2349262361.

Adding to 1031020112 its reverse (2110201301), we get a palindrome (3141221413).

The spelling of 1031020112 in words is "one billion, thirty-one million, twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 41 82 103 164 206 328 412 656 824 1648 4223 8446 15259 16892 30518 33784 61036 67568 122072 244144 625619 1251238 1571677 2502476 3143354 5004952 6286708 10009904 12573416 25146832 64438757 128877514 257755028 515510056 1031020112