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211432211393 = 13571160117791
BaseRepresentation
bin1100010011101001010…
…1111000001111000001
3202012202002000012022012
43010322111320033001
511431003121231033
6241044114022305
721163326100244
oct3047225701701
9665662005265
10211432211393
1181738a75897
1234b88277995
1316c269557c0
14a33a53d25b
155776e3b248
hex313a5783c1

211432211393 has 16 divisors (see below), whose sum is σ = 228250294272. Its totient is φ = 194693760000.

The previous prime is 211432211363. The next prime is 211432211407. The reversal of 211432211393 is 393112234112.

It is a cyclic number.

It is not a de Polignac number, because 211432211393 - 26 = 211432211329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211432211363) 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, 11875328 + ... + 11893118.

It is an arithmetic number, because the mean of its divisors is an integer number (14265643392).

Almost surely, 2211432211393 is an apocalyptic number.

It is an amenable number.

211432211393 is a deficient number, since it is larger than the sum of its proper divisors (16818082879).

211432211393 is a wasteful number, since it uses less digits than its factorization.

211432211393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976.

The product of its digits is 7776, while the sum is 32.

The spelling of 211432211393 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred eleven thousand, three hundred ninety-three".

Divisors: 1 13 571 1601 7423 17791 20813 231283 914171 10158661 11884223 28483391 132062593 370284083 16264016261 211432211393