Search a number
-
+
30302888751 = 331122329213
BaseRepresentation
bin11100001110001100…
…010110001100101111
32220012212020020122000
4130032030112030233
5444030014420001
621530532023343
72121635206302
oct341614261457
986185206560
1030302888751
1111940210913
125a58461b53
132b1c064a05
141676770b39
15bc5508a86
hex70e31632f

30302888751 has 8 divisors (see below), whose sum is σ = 44893168560. Its totient is φ = 20201925816.

The previous prime is 30302888747. The next prime is 30302888767. The reversal of 30302888751 is 15788820303.

It is not a de Polignac number, because 30302888751 - 22 = 30302888747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30302888697 and 30302888706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302881751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561164580 + ... + 561164633.

It is an arithmetic number, because the mean of its divisors is an integer number (5611646070).

Almost surely, 230302888751 is an apocalyptic number.

30302888751 is a deficient number, since it is larger than the sum of its proper divisors (14590279809).

30302888751 is a wasteful number, since it uses less digits than its factorization.

30302888751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122329222 (or 1122329216 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 30302888751 in words is "thirty billion, three hundred two million, eight hundred eighty-eight thousand, seven hundred fifty-one".

Divisors: 1 3 9 27 1122329213 3366987639 10100962917 30302888751