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30201211112201 = 173174573474637
BaseRepresentation
bin1101101110111110001000…
…11101011100101100001001
310221221012121022220022120222
412313133010131130230021
512424304040021042301
6144122124515355425
76234652110542453
oct667370435345411
9127835538808528
1030201211112201
119694297368828
1234792445b2b75
1313b0c6764375c
14765a642512d3
1537590973131b
hex1b77c475cb09

30201211112201 has 4 divisors (see below), whose sum is σ = 30375784587012. Its totient is φ = 30026637637392.

The previous prime is 30201211112197. The next prime is 30201211112243. The reversal of 30201211112201 is 10221111210203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21921348736576 + 8279862375625 = 4682024^2 + 2877475^2 .

It is a cyclic number.

It is not a de Polignac number, because 30201211112201 - 22 = 30201211112197 is a prime.

It is a super-2 number, since 2×302012111122012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30201211112201.

It is not an unprimeable number, because it can be changed into a prime (30201211112101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87286737146 + ... + 87286737491.

It is an arithmetic number, because the mean of its divisors is an integer number (7593946146753).

Almost surely, 230201211112201 is an apocalyptic number.

It is an amenable number.

30201211112201 is a deficient number, since it is larger than the sum of its proper divisors (174573474811).

30201211112201 is a wasteful number, since it uses less digits than its factorization.

30201211112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174573474810.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 30201211112201 its reverse (10221111210203), we get a palindrome (40422322322404).

The spelling of 30201211112201 in words is "thirty trillion, two hundred one billion, two hundred eleven million, one hundred twelve thousand, two hundred one".

Divisors: 1 173 174573474637 30201211112201