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2500115000 = 23541926317
BaseRepresentation
bin1001010100000100…
…1011101000111000
320110020102000000212
42111001023220320
520110012140000
61052030050252
7115645425005
oct22501135070
96406360025
102500115000
111073282449
12599349988
1330ac6c8b6
1419a0808ac
15e974ec35
hex9504ba38

2500115000 has 80 divisors (see below), whose sum is σ = 6166307400. Its totient is φ = 947376000.

The previous prime is 2500114999. The next prime is 2500115011. The reversal of 2500115000 is 5110052.

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 19 ways as a sum of consecutive naturals, for example, 81842 + ... + 108158.

Almost surely, 22500115000 is an apocalyptic number.

2500115000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083153700).

2500115000 is an abundant number, since it is smaller than the sum of its proper divisors (3666192400).

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

2500115000 is a wasteful number, since it uses less digits than its factorization.

2500115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26362 (or 26343 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 2500115000 is about 50001.1499867753. The cubic root of 2500115000 is about 1357.2296185134.

Adding to 2500115000 its reverse (5110052), we get a palindrome (2505225052).

The spelling of 2500115000 in words is "two billion, five hundred million, one hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 380 475 500 625 760 950 1000 1250 1900 2375 2500 3800 4750 5000 9500 11875 19000 23750 26317 47500 52634 95000 105268 131585 210536 263170 500023 526340 657925 1000046 1052680 1315850 2000092 2500115 2631700 3289625 4000184 5000230 5263400 6579250 10000460 12500575 13158500 16448125 20000920 25001150 26317000 32896250 50002300 62502875 65792500 100004600 125005750 131585000 250011500 312514375 500023000 625028750 1250057500 2500115000