Search a number
-
+
30507750275 = 522353056957
BaseRepresentation
bin11100011010011001…
…110101001110000011
32220202010201021210212
4130122121311032003
5444434441002100
622003130544335
72130003412232
oct343231651603
986663637725
1030507750275
1111a35914362
125ab4b980ab
132b52631a52
141695a5ab19
15bd84c3635
hex71a675383

30507750275 has 12 divisors (see below), whose sum is σ = 39474376752. Its totient is φ = 23345060640.

The previous prime is 30507750257. The next prime is 30507750323. The reversal of 30507750275 is 57205770503.

It is not a de Polignac number, because 30507750275 - 28 = 30507750019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26527904 + ... + 26529053.

It is an arithmetic number, because the mean of its divisors is an integer number (3289531396).

Almost surely, 230507750275 is an apocalyptic number.

30507750275 is a deficient number, since it is larger than the sum of its proper divisors (8966626477).

30507750275 is a wasteful number, since it uses less digits than its factorization.

30507750275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53056990 (or 53056985 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 41.

The spelling of 30507750275 in words is "thirty billion, five hundred seven million, seven hundred fifty thousand, two hundred seventy-five".

Divisors: 1 5 23 25 115 575 53056957 265284785 1220310011 1326423925 6101550055 30507750275