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203101020212 = 22172986779709
BaseRepresentation
bin1011110100100111000…
…0111010000000110100
3201102020110101211111212
42331021300322000310
511311422330121322
6233145303420552
720450014121156
oct2751160720064
9642213354455
10203101020212
117915325a622
1233442154758
13161c991368c
149b89ca2ad6
15543a8200e2
hex2f49c3a034

203101020212 has 12 divisors (see below), whose sum is σ = 376334243460. Its totient is φ = 95576950656.

The previous prime is 203101020211. The next prime is 203101020217. The reversal of 203101020212 is 212020101302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93277711396 + 109823308816 = 305414^2 + 331396^2 .

It is a super-2 number, since 2×2031010202122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203101020211) 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 3 ways as a sum of consecutive naturals, for example, 1493389787 + ... + 1493389922.

It is an arithmetic number, because the mean of its divisors is an integer number (31361186955).

Almost surely, 2203101020212 is an apocalyptic number.

It is an amenable number.

203101020212 is a deficient number, since it is larger than the sum of its proper divisors (173233223248).

203101020212 is a wasteful number, since it uses less digits than its factorization.

203101020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986779730 (or 2986779728 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 203101020212 its reverse (212020101302), we get a palindrome (415121121514).

The spelling of 203101020212 in words is "two hundred three billion, one hundred one million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 2986779709 5973559418 11947118836 50775255053 101550510106 203101020212