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212954320070 = 25171252672471
BaseRepresentation
bin1100011001010100010…
…0010000110011000110
3202100200011010022212122
43012111010100303012
511442112301220240
6241455130045542
721246130566002
oct3062504206306
9670604108778
10212954320070
118234a186648
1235331b798b2
131710a0b8c1b
14a442759702
1558158a14b5
hex3195110cc6

212954320070 has 16 divisors (see below), whose sum is σ = 405865880928. Its totient is φ = 80171038080.

The previous prime is 212954320049. The next prime is 212954320079. The reversal of 212954320070 is 70023459212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212954320070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212954320079) 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, 626336066 + ... + 626336405.

It is an arithmetic number, because the mean of its divisors is an integer number (25366617558).

Almost surely, 2212954320070 is an apocalyptic number.

212954320070 is a deficient number, since it is larger than the sum of its proper divisors (192911560858).

212954320070 is a wasteful number, since it uses less digits than its factorization.

212954320070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252672495.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 212954320070 its reverse (70023459212), we get a palindrome (282977779282).

The spelling of 212954320070 in words is "two hundred twelve billion, nine hundred fifty-four million, three hundred twenty thousand, seventy".

Divisors: 1 2 5 10 17 34 85 170 1252672471 2505344942 6263362355 12526724710 21295432007 42590864014 106477160035 212954320070