Search a number
-
+
245122413140 = 225111114192787
BaseRepresentation
bin1110010001001001101…
…1110011001001010100
3212102201000001202211002
43210102123303021110
513004002314210030
6304335132002432
723465235063623
oct3442233631124
9772630052732
10245122413140
1194a57237030
123b60b000418
131a1656c0717
14bc14ad76ba
1565999e3245
hex39126f3254

245122413140 has 24 divisors (see below), whose sum is σ = 561553165152. Its totient is φ = 89135422880.

The previous prime is 245122413121. The next prime is 245122413149. The reversal of 245122413140 is 41314221542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245122413149) 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, 557096174 + ... + 557096613.

It is an arithmetic number, because the mean of its divisors is an integer number (23398048548).

Almost surely, 2245122413140 is an apocalyptic number.

245122413140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245122413140 is an abundant number, since it is smaller than the sum of its proper divisors (316430752012).

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

245122413140 is a wasteful number, since it uses less digits than its factorization.

245122413140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114192807 (or 1114192805 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 245122413140 its reverse (41314221542), we get a palindrome (286436634682).

The spelling of 245122413140 in words is "two hundred forty-five billion, one hundred twenty-two million, four hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1114192787 2228385574 4456771148 5570963935 11141927870 12256120657 22283855740 24512241314 49024482628 61280603285 122561206570 245122413140