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202011311230 = 2520201131123
BaseRepresentation
bin1011110000100011001…
…1111111110001111110
3201022102111220212210221
42330020303333301332
511302204343424410
6232445215251554
720411012546101
oct2741063776176
9638374825727
10202011311230
1178744134093
1233199219bba
1316084c26b71
149ac5282738
1553c4d1d4da
hex2f08cffc7e

202011311230 has 8 divisors (see below), whose sum is σ = 363620360232. Its totient is φ = 80804524488.

The previous prime is 202011311143. The next prime is 202011311233. The reversal of 202011311230 is 32113110202.

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

It is a super-2 number, since 2×2020113112302 (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 (202011311233) 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, 10100565552 + ... + 10100565571.

It is an arithmetic number, because the mean of its divisors is an integer number (45452545029).

Almost surely, 2202011311230 is an apocalyptic number.

202011311230 is a deficient number, since it is larger than the sum of its proper divisors (161609049002).

202011311230 is a wasteful number, since it uses less digits than its factorization.

202011311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201131130.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202011311230 its reverse (32113110202), we get a palindrome (234124421432).

The spelling of 202011311230 in words is "two hundred two billion, eleven million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 20201131123 40402262246 101005655615 202011311230