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30200445245 = 5109121745533
BaseRepresentation
bin11100001000000101…
…100011100100111101
32212221201110120120002
4130020011203210331
5443322303221440
621512432204045
72116252356215
oct341005434475
985851416502
1030200445245
1111898400563
125a2a099625
132b03a76c59
141666d05245
15bbb520115
hex70816393d

30200445245 has 16 divisors (see below), whose sum is σ = 36603871920. Its totient is φ = 23918505984.

The previous prime is 30200445239. The next prime is 30200445257. The reversal of 30200445245 is 54254400203.

It can be written as a sum of positive squares in 8 ways, for example, as 91948921 + 30108496324 = 9589^2 + 173518^2 .

It is a cyclic number.

It is not a de Polignac number, because 30200445245 - 216 = 30200379709 is a prime.

It is a super-2 number, since 2×302004452452 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640499 + ... + 686031.

It is an arithmetic number, because the mean of its divisors is an integer number (2287741995).

Almost surely, 230200445245 is an apocalyptic number.

It is an amenable number.

30200445245 is a deficient number, since it is larger than the sum of its proper divisors (6403426675).

30200445245 is a wasteful number, since it uses less digits than its factorization.

30200445245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46864.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 30200445245 its reverse (54254400203), we get a palindrome (84454845448).

The spelling of 30200445245 in words is "thirty billion, two hundred million, four hundred forty-five thousand, two hundred forty-five".

Divisors: 1 5 109 545 1217 6085 45533 132653 227665 663265 4963097 24815485 55413661 277068305 6040089049 30200445245