Search a number
-
+
30120743010 = 2353907256981
BaseRepresentation
bin11100000011010101…
…100001000001100010
32212202011111021122110
4130003111201001202
5443141402234020
621500504020150
72114264043201
oct340325410142
985664437573
1030120743010
1111857413046
125a07461656
132ac03bc277
14165a4b9238
15bb45298e0
hex703561062

30120743010 has 32 divisors (see below), whose sum is σ = 72308567232. Its totient is φ = 8030111040.

The previous prime is 30120742999. The next prime is 30120743017. The reversal of 30120743010 is 1034702103.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30120743017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11281 + ... + 245700.

It is an arithmetic number, because the mean of its divisors is an integer number (2259642726).

Almost surely, 230120743010 is an apocalyptic number.

30120743010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30120743010 is an abundant number, since it is smaller than the sum of its proper divisors (42187824222).

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

30120743010 is a wasteful number, since it uses less digits than its factorization.

30120743010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260898.

The product of its (nonzero) digits is 504, while the sum is 21.

The spelling of 30120743010 in words is "thirty billion, one hundred twenty million, seven hundred forty-three thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 3907 7814 11721 19535 23442 39070 58605 117210 256981 513962 770943 1284905 1541886 2569810 3854715 7709430 1004024767 2008049534 3012074301 5020123835 6024148602 10040247670 15060371505 30120743010