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2500100030 = 25379659657
BaseRepresentation
bin1001010100000100…
…0111111110111110
320110020101020111102
42111001013332332
520110011200110
61052025453102
7115645333241
oct22501077676
96406336442
102500100030
11107327217a
12599341192
1330ac65b3c
1419a079258
15e974a5a5
hex95047fbe

2500100030 has 16 divisors (see below), whose sum is σ = 4512060720. Its totient is φ = 997399872.

The previous prime is 2500100017. The next prime is 2500100051. The reversal of 2500100030 is 300010052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2500099984 and 2500100020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326039 + ... + 333618.

It is an arithmetic number, because the mean of its divisors is an integer number (282003795).

Almost surely, 22500100030 is an apocalyptic number.

2500100030 is a deficient number, since it is larger than the sum of its proper divisors (2011960690).

2500100030 is a wasteful number, since it uses less digits than its factorization.

2500100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660043.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2500100030 is about 50001.0002899942. Note that the first 3 decimals coincide. The cubic root of 2500100030 is about 1357.2269096023.

Adding to 2500100030 its reverse (300010052), we get a palindrome (2800110082).

The spelling of 2500100030 in words is "two billion, five hundred million, one hundred thousand, thirty".

Divisors: 1 2 5 10 379 758 1895 3790 659657 1319314 3298285 6596570 250010003 500020006 1250050015 2500100030