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2042500213 = 13157115401
BaseRepresentation
bin111100110111110…
…0001010001110101
312021100022202120001
41321233201101311
513140340001323
6534401511301
7101420652055
oct17157412165
95240282501
102042500213
11958a35706
12490042531
13267207c10
1415539d565
15be4aa3ad
hex79be1475

2042500213 has 4 divisors (see below), whose sum is σ = 2199615628. Its totient is φ = 1885384800.

The previous prime is 2042500177. The next prime is 2042500217. The reversal of 2042500213 is 3120052402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 977000049 + 1065500164 = 31257^2 + 32642^2 .

It is not a de Polignac number, because 2042500213 - 217 = 2042369141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042500217) 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, 78557688 + ... + 78557713.

It is an arithmetic number, because the mean of its divisors is an integer number (549903907).

Almost surely, 22042500213 is an apocalyptic number.

It is an amenable number.

2042500213 is a deficient number, since it is larger than the sum of its proper divisors (157115415).

2042500213 is a wasteful number, since it uses less digits than its factorization.

2042500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157115414.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2042500213 is about 45194.0285104127. The cubic root of 2042500213 is about 1268.7830558561.

Adding to 2042500213 its reverse (3120052402), we get a palindrome (5162552615).

The spelling of 2042500213 in words is "two billion, forty-two million, five hundred thousand, two hundred thirteen".

Divisors: 1 13 157115401 2042500213