Search a number
-
+
10200515444 = 227518970207
BaseRepresentation
bin10010111111111111…
…11000001101110100
3222022220001212121022
421133333320031310
5131342312443234
64404104240312
7510530644040
oct113777701564
928286055538
1010200515444
114364a1a259
121b88170098
13c673c5272
146caa3b020
153ea7b9e2e
hex25fff8374

10200515444 has 24 divisors (see below), whose sum is σ = 20405253120. Its totient is φ = 4370744736.

The previous prime is 10200515393. The next prime is 10200515447. The reversal of 10200515444 is 44451500201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200515447) 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, 110189 + ... + 180395.

It is an arithmetic number, because the mean of its divisors is an integer number (850218880).

Almost surely, 210200515444 is an apocalyptic number.

10200515444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10200515444 is an abundant number, since it is smaller than the sum of its proper divisors (10204737676).

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

10200515444 is a wasteful number, since it uses less digits than its factorization.

10200515444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75407 (or 75405 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 10200515444 in words is "ten billion, two hundred million, five hundred fifteen thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 5189 10378 20756 36323 70207 72646 140414 145292 280828 491449 982898 1965796 364304123 728608246 1457216492 2550128861 5100257722 10200515444