Search a number
-
+
10015154020 = 225500757701
BaseRepresentation
bin10010101001111001…
…10001111101100100
3221211222021112112101
421110330301331210
5131002334412040
64333443301444
7503120255524
oct112474617544
927758245471
1010015154020
11427a3254a3
121b3607a884
13c37b94c51
146b0189684
153d93a309a
hex254f31f64

10015154020 has 12 divisors (see below), whose sum is σ = 21031823484. Its totient is φ = 4006061600.

The previous prime is 10015153991. The next prime is 10015154021. The reversal of 10015154020 is 2045151001.

It can be written as a sum of positive squares in 2 ways, for example, as 1549681956 + 8465472064 = 39366^2 + 92008^2 .

It is not an unprimeable number, because it can be changed into a prime (10015154021) 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, 250378831 + ... + 250378870.

It is an arithmetic number, because the mean of its divisors is an integer number (1752651957).

Almost surely, 210015154020 is an apocalyptic number.

10015154020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10015154020 is an abundant number, since it is smaller than the sum of its proper divisors (11016669464).

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

10015154020 is a wasteful number, since it uses less digits than its factorization.

10015154020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500757710 (or 500757708 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 10015154020 in words is "ten billion, fifteen million, one hundred fifty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 500757701 1001515402 2003030804 2503788505 5007577010 10015154020