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211315051355 = 5208120308991
BaseRepresentation
bin1100010011001101011…
…0111100101101011011
3202012102220112211221112
43010303112330231123
511430233123120410
6241024330530535
721160404204632
oct3046326745533
9665386484845
10211315051355
1181688923811
1234b54b96a4b
1316c085b4435
14a328b62519
15576b9e7105
hex31335bcb5b

211315051355 has 8 divisors (see below), whose sum is σ = 253699928064. Its totient is φ = 168970796800.

The previous prime is 211315051351. The next prime is 211315051421. The reversal of 211315051355 is 553150513112.

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

It is not a de Polignac number, because 211315051355 - 22 = 211315051351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211315051351) 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, 10144091 + ... + 10164900.

It is an arithmetic number, because the mean of its divisors is an integer number (31712491008).

Almost surely, 2211315051355 is an apocalyptic number.

211315051355 is a deficient number, since it is larger than the sum of its proper divisors (42384876709).

211315051355 is a wasteful number, since it uses less digits than its factorization.

211315051355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311077.

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 211315051355 its reverse (553150513112), we get a palindrome (764465564467).

The spelling of 211315051355 in words is "two hundred eleven billion, three hundred fifteen million, fifty-one thousand, three hundred fifty-five".

Divisors: 1 5 2081 10405 20308991 101544955 42263010271 211315051355