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212071460153 = 730295922879
BaseRepresentation
bin1100010110000001110…
…0011010110100111001
3202021101121212101202012
43011200130122310321
511433310243211103
6241231351215305
721215220445250
oct3054034326471
9667347771665
10212071460153
1181a368a0953
1235126377535
1316cc9213cc7
14a39b3c1797
1557b310d2d8
hex316071ad39

212071460153 has 4 divisors (see below), whose sum is σ = 242367383040. Its totient is φ = 181775537268.

The previous prime is 212071460149. The next prime is 212071460191. The reversal of 212071460153 is 351064170212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212071460153 - 22 = 212071460149 is a prime.

It is a super-2 number, since 2×2120714601532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212071460353) 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, 15147961433 + ... + 15147961446.

It is an arithmetic number, because the mean of its divisors is an integer number (60591845760).

Almost surely, 2212071460153 is an apocalyptic number.

It is an amenable number.

212071460153 is a deficient number, since it is larger than the sum of its proper divisors (30295922887).

212071460153 is an equidigital number, since it uses as much as digits as its factorization.

212071460153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30295922886.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 212071460153 in words is "two hundred twelve billion, seventy-one million, four hundred sixty thousand, one hundred fifty-three".

Divisors: 1 7 30295922879 212071460153