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30301201320 = 23351319423847
BaseRepresentation
bin11100001110000101…
…111010001110101000
32220012202001111220120
4130032011322032220
5444024101420240
621530431523240
72121614650545
oct341605721650
986182044816
1030301201320
111193a269045
125a57989520
132b1b8c3930
141676451bcc
15bc52c3ad0
hex70e17a3a8

30301201320 has 64 divisors (see below), whose sum is σ = 97896193920. Its totient is φ = 7458756864.

The previous prime is 30301201313. The next prime is 30301201327. The reversal of 30301201320 is 2310210303.

It is an interprime number because it is at equal distance from previous prime (30301201313) and next prime (30301201327).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30301201320.

It is not an unprimeable number, because it can be changed into a prime (30301201327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9710364 + ... + 9713483.

It is an arithmetic number, because the mean of its divisors is an integer number (1529628030).

Almost surely, 230301201320 is an apocalyptic number.

30301201320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30301201320 is an abundant number, since it is smaller than the sum of its proper divisors (67594992600).

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

30301201320 is a wasteful number, since it uses less digits than its factorization.

30301201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19423874 (or 19423870 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30301201320 its reverse (2310210303), we get a palindrome (32611411623).

The spelling of 30301201320 in words is "thirty billion, three hundred one million, two hundred one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 19423847 38847694 58271541 77695388 97119235 116543082 155390776 194238470 233086164 252510011 291357705 388476940 466172328 505020022 582715410 757530033 776953880 1010040044 1165430820 1262550055 1515060066 2020080088 2330861640 2525100110 3030120132 3787650165 5050200220 6060240264 7575300330 10100400440 15150600660 30301201320