Search a number
-
+
10520734570 = 257901133157
BaseRepresentation
bin10011100110001010…
…11010101101101010
31000011012121200122221
421303011122231222
5133021302001240
64455543504254
7521466524353
oct116305325552
930135550587
1010520734570
114509753665
12205745808a
13cb8852138
1471b394d2a
1541896ea4a
hex27315ab6a

10520734570 has 16 divisors (see below), whose sum is σ = 18939861288. Its totient is φ = 4207729600.

The previous prime is 10520734547. The next prime is 10520734573. The reversal of 10520734570 is 7543702501.

It can be written as a sum of positive squares in 4 ways, for example, as 6190699761 + 4330034809 = 78681^2 + 65803^2 .

It is a super-2 number, since 2×105207345702 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520734573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12432 + ... + 145588.

Almost surely, 210520734570 is an apocalyptic number.

10520734570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10520734570 is a deficient number, since it is larger than the sum of its proper divisors (8419126718).

10520734570 is a wasteful number, since it uses less digits than its factorization.

10520734570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141065.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 10520734570 in words is "ten billion, five hundred twenty million, seven hundred thirty-four thousand, five hundred seventy".

Divisors: 1 2 5 10 7901 15802 39505 79010 133157 266314 665785 1331570 1052073457 2104146914 5260367285 10520734570