Search a number
-
+
30081415371 = 372336147847
BaseRepresentation
bin11100000000111111…
…011111100011001011
32212122102111020021020
4130000333133203023
5443101320242441
621452541043523
72113305545310
oct340077374313
985572436236
1030081415371
11118371a1667
1259b62565a3
132ab51cc787
14165519cd07
15bb0d5be66
hex700fdf8cb

30081415371 has 16 divisors (see below), whose sum is σ = 46035085824. Its totient is φ = 17115603264.

The previous prime is 30081415363. The next prime is 30081415393. The reversal of 30081415371 is 17351418003.

It is not a de Polignac number, because 30081415371 - 23 = 30081415363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30081415171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069031 + ... + 3078816.

It is an arithmetic number, because the mean of its divisors is an integer number (2877192864).

Almost surely, 230081415371 is an apocalyptic number.

30081415371 is a deficient number, since it is larger than the sum of its proper divisors (15953670453).

30081415371 is a wasteful number, since it uses less digits than its factorization.

30081415371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148090.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 30081415371 in words is "thirty billion, eighty-one million, four hundred fifteen thousand, three hundred seventy-one".

Divisors: 1 3 7 21 233 699 1631 4893 6147847 18443541 43034929 129104787 1432448351 4297345053 10027138457 30081415371