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2130030024 = 23388751251
BaseRepresentation
bin111111011110101…
…1010110111001000
312111110000201212220
41332331122313020
513330241430044
6551205534040
7103532646033
oct17675326710
95443021786
102130030024
119a338a0a1
124b5414320
1327c3a36c5
14162c6601a
15c6eea019
hex7ef5adc8

2130030024 has 16 divisors (see below), whose sum is σ = 5325075120. Its totient is φ = 710010000.

The previous prime is 2130030013. The next prime is 2130030029. The reversal of 2130030024 is 4200300312.

It is a junction number, because it is equal to n+sod(n) for n = 2130029985 and 2130030012.

It is not an unprimeable number, because it can be changed into a prime (2130030029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44375602 + ... + 44375649.

It is an arithmetic number, because the mean of its divisors is an integer number (332817195).

Almost surely, 22130030024 is an apocalyptic number.

2130030024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2130030024 is an abundant number, since it is smaller than the sum of its proper divisors (3195045096).

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

2130030024 is a wasteful number, since it uses less digits than its factorization.

2130030024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88751260 (or 88751256 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2130030024 is about 46152.2483092644. The cubic root of 2130030024 is about 1286.6543966304.

Adding to 2130030024 its reverse (4200300312), we get a palindrome (6330330336).

The spelling of 2130030024 in words is "two billion, one hundred thirty million, thirty thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 24 88751251 177502502 266253753 355005004 532507506 710010008 1065015012 2130030024