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1042103120 = 24513026289
BaseRepresentation
bin111110000111010…
…011101101010000
32200121220022201212
4332013103231100
54113234244440
6251223515252
734552505342
oct7607235520
92617808655
101042103120
11495270553
12250bb8b28
13137b8c086
149c58b292
156174b465
hex3e1d3b50

1042103120 has 20 divisors (see below), whose sum is σ = 2422889940. Its totient is φ = 416841216.

The previous prime is 1042103071. The next prime is 1042103123. The reversal of 1042103120 is 213012401.

It can be written as a sum of positive squares in 2 ways, for example, as 196224064 + 845879056 = 14008^2 + 29084^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1042103095 and 1042103104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042103123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6513065 + ... + 6513224.

It is an arithmetic number, because the mean of its divisors is an integer number (121144497).

Almost surely, 21042103120 is an apocalyptic number.

1042103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042103120 is an abundant number, since it is smaller than the sum of its proper divisors (1380786820).

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

1042103120 is a wasteful number, since it uses less digits than its factorization.

1042103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13026302 (or 13026296 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1042103120 is about 32281.6220162494. The cubic root of 1042103120 is about 1013.8418913511.

Adding to 1042103120 its reverse (213012401), we get a palindrome (1255115521).

The spelling of 1042103120 in words is "one billion, forty-two million, one hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 13026289 26052578 52105156 65131445 104210312 130262890 208420624 260525780 521051560 1042103120