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1030776137 = 1935340809
BaseRepresentation
bin111101011100000…
…110010101001001
32122211120212000222
4331130012111021
54102334314022
6250141035425
734354311146
oct7534062511
92584525028
101030776137
11489934406
12249255b75
13135724511
149ac7d3cd
1560760242
hex3d706549

1030776137 has 4 divisors (see below), whose sum is σ = 1036117140. Its totient is φ = 1025435136.

The previous prime is 1030776127. The next prime is 1030776143. The reversal of 1030776137 is 7316770301.

It is a happy number.

1030776137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7316770301 = 17430398253.

It can be written as a sum of positive squares in 2 ways, for example, as 231922441 + 798853696 = 15229^2 + 28264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030776137 - 210 = 1030775113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030776097 and 1030776106.

It is not an unprimeable number, because it can be changed into a prime (1030776127) 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, 2670212 + ... + 2670597.

It is an arithmetic number, because the mean of its divisors is an integer number (259029285).

Almost surely, 21030776137 is an apocalyptic number.

It is an amenable number.

1030776137 is a deficient number, since it is larger than the sum of its proper divisors (5341003).

1030776137 is an equidigital number, since it uses as much as digits as its factorization.

1030776137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341002.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 1030776137 is about 32105.7025620060. The cubic root of 1030776137 is about 1010.1552344476.

The spelling of 1030776137 in words is "one billion, thirty million, seven hundred seventy-six thousand, one hundred thirty-seven".

Divisors: 1 193 5340809 1030776137