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2103131504 = 242937122503
BaseRepresentation
bin111110101011011…
…0011110101110000
312102120102011001102
41331112303311300
513301400202004
6544405223532
7103055215505
oct17526636560
95376364042
102103131504
1198a187911
124a8401ba8
13276946316
1415d4634ac
15c498511e
hex7d5b3d70

2103131504 has 40 divisors (see below), whose sum is σ = 4329291360. Its totient is φ = 987856128.

The previous prime is 2103131483. The next prime is 2103131507. The reversal of 2103131504 is 4051313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103131507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44084 + ... + 78419.

It is an arithmetic number, because the mean of its divisors is an integer number (108232284).

Almost surely, 22103131504 is an apocalyptic number.

It is an amenable number.

2103131504 is an abundant number, since it is smaller than the sum of its proper divisors (2226159856).

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

2103131504 is a wasteful number, since it uses less digits than its factorization.

2103131504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122577 (or 122571 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2103131504 is about 45859.9117312714. The cubic root of 2103131504 is about 1281.2153788178.

Adding to 2103131504 its reverse (4051313012), we get a palindrome (6154444516).

The spelling of 2103131504 in words is "two billion, one hundred three million, one hundred thirty-one thousand, five hundred four".

Divisors: 1 2 4 8 16 29 37 58 74 116 148 232 296 464 592 1073 2146 4292 8584 17168 122503 245006 490012 980024 1960048 3552587 4532611 7105174 9065222 14210348 18130444 28420696 36260888 56841392 72521776 131445719 262891438 525782876 1051565752 2103131504