Search a number
-
+
10021425340 = 2251134434259
BaseRepresentation
bin10010101010101001…
…01101000010111100
3221212102002011011111
421111110231002330
5131010441102330
64334225531404
7503224465333
oct112524550274
927772064144
1010021425340
114282919203
121b381a3b64
13c3927c5a4
146b0d3cd1a
153d9be132a
hex25552d0bc

10021425340 has 24 divisors (see below), whose sum is σ = 21231236880. Its totient is φ = 3973095168.

The previous prime is 10021425307. The next prime is 10021425343. The reversal of 10021425340 is 4352412001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021425343) 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, 2214870 + ... + 2219389.

It is an arithmetic number, because the mean of its divisors is an integer number (884634870).

Almost surely, 210021425340 is an apocalyptic number.

10021425340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021425340 is an abundant number, since it is smaller than the sum of its proper divisors (11209811540).

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

10021425340 is a wasteful number, since it uses less digits than its factorization.

10021425340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434381 (or 4434379 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10021425340 its reverse (4352412001), we get a palindrome (14373837341).

The spelling of 10021425340 in words is "ten billion, twenty-one million, four hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 4434259 8868518 17737036 22171295 44342590 88685180 501071267 1002142534 2004285068 2505356335 5010712670 10021425340