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213001303121 = 2771747440159
BaseRepresentation
bin1100011001011111011…
…1011111010001010001
3202100210102112022111122
43012113313133101101
511442211313144441
6241503525052025
721250241126555
oct3062767372121
9670712468448
10213001303121
1182373756712
1235345857015
1317116a59049
14a448aa9865
155819a8234b
hex3197ddf451

213001303121 has 8 divisors (see below), whose sum is σ = 213893111040. Its totient is φ = 212110379568.

The previous prime is 213001303079. The next prime is 213001303127. The reversal of 213001303121 is 121303100312.

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 213001303121 - 26 = 213001303057 is a prime.

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 213001303121.

It is not an unprimeable number, because it can be changed into a prime (213001303127) 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, 263840 + ... + 703998.

It is an arithmetic number, because the mean of its divisors is an integer number (26736638880).

Almost surely, 2213001303121 is an apocalyptic number.

It is an amenable number.

213001303121 is a deficient number, since it is larger than the sum of its proper divisors (891807919).

213001303121 is a wasteful number, since it uses less digits than its factorization.

213001303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442183.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213001303121 its reverse (121303100312), we get a palindrome (334304403433).

The spelling of 213001303121 in words is "two hundred thirteen billion, one million, three hundred three thousand, one hundred twenty-one".

Divisors: 1 277 1747 440159 483919 121924043 768957773 213001303121