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212331030270 = 23546153153353
BaseRepresentation
bin1100010110111111101…
…0100110011011111110
3202022001201021221000020
43011233322212123332
511434323220432040
6241313222513010
721224521656402
oct3055772463376
9668051257006
10212331030270
118205a370807
1235199295766
131703ac276a8
14a3c3a6d102
1557cacd2cd0
hex316fea66fe

212331030270 has 32 divisors (see below), whose sum is σ = 509608837152. Its totient is φ = 56620012032.

The previous prime is 212331030211. The next prime is 212331030271. The reversal of 212331030270 is 72030133212.

It is a self number, because there is not a number n which added to its sum of digits gives 212331030270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212331030271) 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, 1307914 + ... + 1461266.

It is an arithmetic number, because the mean of its divisors is an integer number (15925276161).

Almost surely, 2212331030270 is an apocalyptic number.

212331030270 is an abundant number, since it is smaller than the sum of its proper divisors (297277806882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212331030270 is a wasteful number, since it uses less digits than its factorization.

212331030270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199516.

The product of its (nonzero) digits is 1512, while the sum is 24.

Adding to 212331030270 its reverse (72030133212), we get a palindrome (284361163482).

The spelling of 212331030270 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 46153 92306 138459 153353 230765 276918 306706 460059 461530 692295 766765 920118 1384590 1533530 2300295 4600590 7077701009 14155402018 21233103027 35388505045 42466206054 70777010090 106165515135 212331030270