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211442304232 = 23191391067791
BaseRepresentation
bin1100010011101011110…
…0011000010011101000
3202012202202222222002001
43010322330120103220
511431013212213412
6241045114220344
721163510634365
oct3047274302350
9665682888061
10211442304232
1181743739785
1234b8b7246b4
1316c28a7a6b3
14a33ba0946c
155777c81957
hex313af184e8

211442304232 has 16 divisors (see below), whose sum is σ = 417320337600. Its totient is φ = 100156880880.

The previous prime is 211442304209. The next prime is 211442304247. The reversal of 211442304232 is 232403244112.

It is a self number, because there is not a number n which added to its sum of digits gives 211442304232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695533744 + ... + 695534047.

It is an arithmetic number, because the mean of its divisors is an integer number (26082521100).

Almost surely, 2211442304232 is an apocalyptic number.

It is an amenable number.

211442304232 is a deficient number, since it is larger than the sum of its proper divisors (205878033368).

211442304232 is a wasteful number, since it uses less digits than its factorization.

211442304232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391067816 (or 1391067812 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 211442304232 its reverse (232403244112), we get a palindrome (443845548344).

The spelling of 211442304232 in words is "two hundred eleven billion, four hundred forty-two million, three hundred four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 152 1391067791 2782135582 5564271164 11128542328 26430288029 52860576058 105721152116 211442304232