Search a number
-
+
10540978532 = 227794765361
BaseRepresentation
bin10011101000100101…
…01001000101100100
31000012121201012011022
421310102221011210
5133041442303112
64501545430312
7522133560560
oct116422510544
930177635138
1010540978532
11451a120207
12206219b398
13cbcabc606
1471dd446a0
1541a61cd72
hex2744a9164

10540978532 has 24 divisors (see below), whose sum is σ = 21348821760. Its totient is φ = 4460376960.

The previous prime is 10540978531. The next prime is 10540978541. The reversal of 10540978532 is 23587904501.

It is a super-2 number, since 2×105409785322 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10540978531) 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, 2380469 + ... + 2384892.

It is an arithmetic number, because the mean of its divisors is an integer number (889534240).

Almost surely, 210540978532 is an apocalyptic number.

It is an amenable number.

10540978532 is an abundant number, since it is smaller than the sum of its proper divisors (10807843228).

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

10540978532 is a wasteful number, since it uses less digits than its factorization.

10540978532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765451 (or 4765449 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 10540978532 in words is "ten billion, five hundred forty million, nine hundred seventy-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 4765361 9530722 19061444 33357527 66715054 133430108 376463519 752927038 1505854076 2635244633 5270489266 10540978532