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211232313401 = 1927178752127
BaseRepresentation
bin1100010010111001101…
…1010101000000111001
3202012020010212022210212
43010232123111000321
511430100433012101
6241012213320505
721155351016254
oct3045633250071
9665203768725
10211232313401
118164615253a
1234b31336135
1316bc4405a75
14a31bb8609b
1557646021bb
hex312e6d5039

211232313401 has 16 divisors (see below), whose sum is σ = 223458140160. Its totient is φ = 199119234960.

The previous prime is 211232313389. The next prime is 211232313449. The reversal of 211232313401 is 104313232112.

It is a cyclic number.

It is not a de Polignac number, because 211232313401 - 26 = 211232313337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211232313001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4026200 + ... + 4078326.

It is an arithmetic number, because the mean of its divisors is an integer number (13966133760).

Almost surely, 2211232313401 is an apocalyptic number.

It is an amenable number.

211232313401 is a deficient number, since it is larger than the sum of its proper divisors (12225826759).

211232313401 is a wasteful number, since it uses less digits than its factorization.

211232313401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53204.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 211232313401 its reverse (104313232112), we get a palindrome (315545545513).

The spelling of 211232313401 in words is "two hundred eleven billion, two hundred thirty-two million, three hundred thirteen thousand, four hundred one".

Divisors: 1 19 271 787 5149 14953 52127 213277 990413 4052263 14126417 41023949 268401923 779455031 11117490179 211232313401