Search a number
-
+
10310120019 = 33438880379
BaseRepresentation
bin10011001101000011…
…11111001001010011
3222121112022100211000
421212201333021103
5132103342320034
64423021353043
7513331400643
oct114641771123
928545270730
1010310120019
114410880851
121bb8a08783
13c8401c644
146db40c523
1540521a599
hex26687f253

10310120019 has 16 divisors (see below), whose sum is σ = 15629468800. Its totient is φ = 6713565768.

The previous prime is 10310120011. The next prime is 10310120077. The reversal of 10310120019 is 91002101301.

It is not a de Polignac number, because 10310120019 - 23 = 10310120011 is a prime.

It is a super-2 number, since 2×103101200192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10310119983 and 10310120010.

It is not an unprimeable number, because it can be changed into a prime (10310120011) 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, 4439029 + ... + 4441350.

It is an arithmetic number, because the mean of its divisors is an integer number (976841800).

Almost surely, 210310120019 is an apocalyptic number.

10310120019 is a deficient number, since it is larger than the sum of its proper divisors (5319348781).

10310120019 is an equidigital number, since it uses as much as digits as its factorization.

10310120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880431 (or 8880425 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The spelling of 10310120019 in words is "ten billion, three hundred ten million, one hundred twenty thousand, nineteen".

Divisors: 1 3 9 27 43 129 387 1161 8880379 26641137 79923411 239770233 381856297 1145568891 3436706673 10310120019