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1814012930 = 25296255217
BaseRepresentation
bin110110000011111…
…1010010000000010
311200102101101221002
41230013322100002
512203341403210
6500000332002
762644566302
oct15407722002
94612341832
101814012930
11850a65844
12427614002
1322ba88342
14132cc3602
15a93c54a5
hex6c1fa402

1814012930 has 16 divisors (see below), whose sum is σ = 3377817720. Its totient is φ = 700584192.

The previous prime is 1814012917. The next prime is 1814012969. The reversal of 1814012930 is 392104181.

It can be written as a sum of positive squares in 4 ways, for example, as 1752343321 + 61669609 = 41861^2 + 7853^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1814012893 and 1814012902.

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 7 ways as a sum of consecutive naturals, for example, 3127319 + ... + 3127898.

Almost surely, 21814012930 is an apocalyptic number.

1814012930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1814012930 is a deficient number, since it is larger than the sum of its proper divisors (1563804790).

1814012930 is a wasteful number, since it uses less digits than its factorization.

1814012930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255253.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1814012930 is about 42591.2306701743. The cubic root of 1814012930 is about 1219.5888899685.

The spelling of 1814012930 in words is "one billion, eight hundred fourteen million, twelve thousand, nine hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 6255217 12510434 31276085 62552170 181401293 362802586 907006465 1814012930