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2103032020 = 225105151601
BaseRepresentation
bin111110101011001…
…1011100011010100
312102120020002120211
41331112123203110
513301334011040
6544403135204
7103054322455
oct17526334324
95376202524
102103032020
1198a11a0a1
124a8374504
1327690cc5b
1415d43912c
15c49658ea
hex7d59b8d4

2103032020 has 12 divisors (see below), whose sum is σ = 4416367284. Its totient is φ = 841212800.

The previous prime is 2103031981. The next prime is 2103032021. The reversal of 2103032020 is 202303012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 636754756 + 1466277264 = 25234^2 + 38292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103032021) 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, 52575781 + ... + 52575820.

It is an arithmetic number, because the mean of its divisors is an integer number (368030607).

Almost surely, 22103032020 is an apocalyptic number.

2103032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103032020 is an abundant number, since it is smaller than the sum of its proper divisors (2313335264).

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

2103032020 is a wasteful number, since it uses less digits than its factorization.

2103032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105151610 (or 105151608 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2103032020 is about 45858.8270674251. The cubic root of 2103032020 is about 1281.1951768095.

Adding to 2103032020 its reverse (202303012), we get a palindrome (2305335032).

The spelling of 2103032020 in words is "two billion, one hundred three million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 105151601 210303202 420606404 525758005 1051516010 2103032020