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2125420203 = 37057100393
BaseRepresentation
bin111111010101111…
…0101011010101011
312111010100112101210
41332223311122223
513323101421303
6550523044203
7103445526234
oct17653653253
95433315353
102125420203
119a0820725
124b3970663
1327b44b3ba
141623c608b
15c68d9203
hex7eaf56ab

2125420203 has 8 divisors (see below), whose sum is σ = 2834323408. Its totient is φ = 1416731904.

The previous prime is 2125420201. The next prime is 2125420217. The reversal of 2125420203 is 3020245212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2125420203 - 21 = 2125420201 is a prime.

It is a super-2 number, since 2×21254202032 = 9034822078641122418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125420203.

It is not an unprimeable number, because it can be changed into a prime (2125420201) 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, 29026 + ... + 71367.

It is an arithmetic number, because the mean of its divisors is an integer number (354290426).

Almost surely, 22125420203 is an apocalyptic number.

2125420203 is a deficient number, since it is larger than the sum of its proper divisors (708903205).

2125420203 is a wasteful number, since it uses less digits than its factorization.

2125420203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107453.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2125420203 is about 46102.2798026302. The cubic root of 2125420203 is about 1285.7255317235.

Adding to 2125420203 its reverse (3020245212), we get a palindrome (5145665415).

The spelling of 2125420203 in words is "two billion, one hundred twenty-five million, four hundred twenty thousand, two hundred three".

Divisors: 1 3 7057 21171 100393 301179 708473401 2125420203