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2500105125 = 35373492729
BaseRepresentation
bin1001010100000100…
…1001001110100101
320110020101111111010
42111001021032211
520110011331000
61052025532433
7115645354140
oct22501111645
96406344433
102500105125
111073275a91
12599344119
1330ac6825b
1419a07b057
15e974bd50
hex950493a5

2500105125 has 64 divisors (see below), whose sum is σ = 4769856000. Its totient is φ = 1139212800.

The previous prime is 2500105103. The next prime is 2500105147. The reversal of 2500105125 is 5215010052.

It is an interprime number because it is at equal distance from previous prime (2500105103) and next prime (2500105147).

It is not a de Polignac number, because 2500105125 - 26 = 2500105061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 63 ways as a sum of consecutive naturals, for example, 914761 + ... + 917489.

It is an arithmetic number, because the mean of its divisors is an integer number (74529000).

Almost surely, 22500105125 is an apocalyptic number.

2500105125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500105125 is a deficient number, since it is larger than the sum of its proper divisors (2269750875).

2500105125 is a wasteful number, since it uses less digits than its factorization.

2500105125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2500105125 is about 50001.0512389490. The cubic root of 2500105125 is about 1357.2278315743.

Adding to 2500105125 its reverse (5215010052), we get a palindrome (7715115177).

The spelling of 2500105125 in words is "two billion, five hundred million, one hundred five thousand, one hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 125 175 349 375 525 875 1047 1745 2443 2625 2729 5235 7329 8187 8725 12215 13645 19103 26175 36645 40935 43625 57309 61075 68225 95515 130875 183225 204675 286545 305375 341125 477575 916125 952421 1023375 1432725 2387875 2857263 4762105 6666947 7163625 14286315 20000841 23810525 33334735 71431575 100004205 119052625 166673675 357157875 500021025 833368375 2500105125