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30052311601 = 132769231241
BaseRepresentation
bin11011111111010000…
…011110001000110001
32212120101201121101211
4123333100132020301
5443021342432401
621450021200121
72112503301544
oct337720361061
985511647354
1030052311601
1111821823564
1259a8560041
132aac17c700
14165138485b
15bad50d951
hex6ff41e231

30052311601 has 12 divisors (see below), whose sum is σ = 32584310220. Its totient is φ = 27704401920.

The previous prime is 30052311577. The next prime is 30052311613. The reversal of 30052311601 is 10611325003.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 382593600 + 29669718001 = 19560^2 + 172249^2 .

It is not a de Polignac number, because 30052311601 - 29 = 30052311089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30052311631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14341 + ... + 245581.

It is an arithmetic number, because the mean of its divisors is an integer number (2715359185).

Almost surely, 230052311601 is an apocalyptic number.

It is an amenable number.

30052311601 is a deficient number, since it is larger than the sum of its proper divisors (2531998619).

30052311601 is a wasteful number, since it uses less digits than its factorization.

30052311601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232036 (or 232023 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 30052311601 its reverse (10611325003), we get a palindrome (40663636604).

The spelling of 30052311601 in words is "thirty billion, fifty-two million, three hundred eleven thousand, six hundred one".

Divisors: 1 13 169 769 9997 129961 231241 3006133 39079729 177824329 2311716277 30052311601