Search a number
-
+
2500103540 = 2251119335879
BaseRepresentation
bin1001010100000100…
…1000110101110100
320110020101102022102
42111001020311310
520110011303130
61052025521232
7115645346414
oct22501106564
96406342272
102500103540
111073274880
12599343218
1330ac6760c
1419a07a644
15e974b645
hex95048d74

2500103540 has 48 divisors (see below), whose sum is σ = 5731447680. Its totient is φ = 908503680.

The previous prime is 2500103537. The next prime is 2500103563. The reversal of 2500103540 is 453010052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422321 + ... + 428199.

It is an arithmetic number, because the mean of its divisors is an integer number (119405160).

Almost surely, 22500103540 is an apocalyptic number.

2500103540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500103540 is an abundant number, since it is smaller than the sum of its proper divisors (3231344140).

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

2500103540 is a wasteful number, since it uses less digits than its factorization.

2500103540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7832 (or 7830 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2500103540 is about 50001.0353892797. The cubic root of 2500103540 is about 1357.2275447588.

Adding to 2500103540 its reverse (453010052), we get a palindrome (2953113592).

The spelling of 2500103540 in words is "two billion, five hundred million, one hundred three thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1933 3866 5879 7732 9665 11758 19330 21263 23516 29395 38660 42526 58790 64669 85052 106315 117580 129338 212630 258676 323345 425260 646690 1293380 11364107 22728214 45456428 56820535 113641070 125005177 227282140 250010354 500020708 625025885 1250051770 2500103540