Search a number
-
+
30302131332 = 22311719319279
BaseRepresentation
bin11100001110001001…
…011101010010000100
32220012210210202122110
4130032021131102010
5444024321200312
621530503501020
72121625603134
oct341611352204
986183722573
1030302131332
111193a843850
125a58157770
132b1bb5b035
141676614ac4
15bc540943c
hex70e25d484

30302131332 has 48 divisors (see below), whose sum is σ = 77240217600. Its totient is φ = 9169664160.

The previous prime is 30302131319. The next prime is 30302131337. The reversal of 30302131332 is 23313120303.

It is a junction number, because it is equal to n+sod(n) for n = 30302131299 and 30302131308.

It is not an unprimeable number, because it can be changed into a prime (30302131337) 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, 64732 + ... + 254547.

It is an arithmetic number, because the mean of its divisors is an integer number (1609171200).

Almost surely, 230302131332 is an apocalyptic number.

It is an amenable number.

30302131332 is an abundant number, since it is smaller than the sum of its proper divisors (46938086268).

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

30302131332 is a wasteful number, since it uses less digits than its factorization.

30302131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320016 (or 320014 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30302131332 its reverse (23313120303), we get a palindrome (53615251635).

The spelling of 30302131332 in words is "thirty billion, three hundred two million, one hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 719 1438 2157 2876 4314 7909 8628 15818 23727 31636 47454 94908 319279 638558 957837 1277116 1915674 3512069 3831348 7024138 10536207 14048276 21072414 42144828 229561601 459123202 688684803 918246404 1377369606 2525177611 2754739212 5050355222 7575532833 10100710444 15151065666 30302131332