Search a number
-
+
30150687974 = 2111370485817
BaseRepresentation
bin11100000101000111…
…101111110011100110
32212211020211122102012
4130011013233303212
5443222034003344
621503453514222
72115106422251
oct340507576346
985736748365
1030150687974
1111872306150
125a154a2972
132ac6675194
141660472098
15bb6e9229e
hex7051efce6

30150687974 has 8 divisors (see below), whose sum is σ = 49337489448. Its totient is φ = 13704858160.

The previous prime is 30150687961. The next prime is 30150687991. The reversal of 30150687974 is 47978605103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685242887 + ... + 685242930.

It is an arithmetic number, because the mean of its divisors is an integer number (6167186181).

Almost surely, 230150687974 is an apocalyptic number.

30150687974 is a deficient number, since it is larger than the sum of its proper divisors (19186801474).

30150687974 is a wasteful number, since it uses less digits than its factorization.

30150687974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370485830.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 30150687974 in words is "thirty billion, one hundred fifty million, six hundred eighty-seven thousand, nine hundred seventy-four".

Divisors: 1 2 11 22 1370485817 2740971634 15075343987 30150687974