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10001430220 = 225500071511
BaseRepresentation
bin10010101000010000…
…11011011011001100
3221211000110022000111
421110020123123030
5130440331231340
64332233205404
7502562516455
oct112410333314
927730408014
1010001430220
114272601611
121b31560864
13c3509b462
146ac41612c
153d8091aea
hex25421b6cc

10001430220 has 12 divisors (see below), whose sum is σ = 21003003504. Its totient is φ = 4000572080.

The previous prime is 10001430181. The next prime is 10001430221. The reversal of 10001430220 is 2203410001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001430220.

It is not an unprimeable number, because it can be changed into a prime (10001430221) 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, 250035736 + ... + 250035775.

It is an arithmetic number, because the mean of its divisors is an integer number (1750250292).

Almost surely, 210001430220 is an apocalyptic number.

10001430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001430220 is an abundant number, since it is smaller than the sum of its proper divisors (11001573284).

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

10001430220 is a wasteful number, since it uses less digits than its factorization.

10001430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500071520 (or 500071518 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10001430220 its reverse (2203410001), we get a palindrome (12204840221).

The spelling of 10001430220 in words is "ten billion, one million, four hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 500071511 1000143022 2000286044 2500357555 5000715110 10001430220