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203112200101 = 2931122520479
BaseRepresentation
bin1011110100101001101…
…1100011011110100101
3201102021020102211102211
42331022123203132211
511311433210400401
6233150343203421
720450211133456
oct2751233433645
9642236384384
10203112200101
11791595a61a8
1233445a46571
13161cc0292b5
149b8b57312d
15543b7cc951
hex2f4a6e37a5

203112200101 has 8 divisors (see below), whose sum is σ = 210791692800. Its totient is φ = 195477749040.

The previous prime is 203112200099. The next prime is 203112200107. The reversal of 203112200101 is 101002211302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203112200101 - 21 = 203112200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112200107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11251221 + ... + 11269258.

It is an arithmetic number, because the mean of its divisors is an integer number (26348961600).

Almost surely, 2203112200101 is an apocalyptic number.

It is an amenable number.

203112200101 is a deficient number, since it is larger than the sum of its proper divisors (7679492699).

203112200101 is a wasteful number, since it uses less digits than its factorization.

203112200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22520819.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 203112200101 its reverse (101002211302), we get a palindrome (304114411403).

The spelling of 203112200101 in words is "two hundred three billion, one hundred twelve million, two hundred thousand, one hundred one".

Divisors: 1 29 311 9019 22520479 653093891 7003868969 203112200101