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212144213042 = 2831951655037
BaseRepresentation
bin1100010110010011000…
…1111100110000110010
3202021120200202121221122
43011210301330300302
511433432404304132
6241242510422242
721220063025636
oct3054461746062
9667520677848
10212144213042
1181a73972203
1235146801982
131700b307858
14a3a6d1cdc6
1557b96ce912
hex3164c7cc32

212144213042 has 16 divisors (see below), whose sum is σ = 322215812352. Its totient is φ = 104740256400.

The previous prime is 212144213033. The next prime is 212144213063. The reversal of 212144213042 is 240312441212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653 + ... + 651384.

It is an arithmetic number, because the mean of its divisors is an integer number (20138488272).

Almost surely, 2212144213042 is an apocalyptic number.

212144213042 is a deficient number, since it is larger than the sum of its proper divisors (110071599310).

212144213042 is a wasteful number, since it uses less digits than its factorization.

212144213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657073.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 212144213042 its reverse (240312441212), we get a palindrome (452456654254).

The spelling of 212144213042 in words is "two hundred twelve billion, one hundred forty-four million, two hundred thirteen thousand, forty-two".

Divisors: 1 2 83 166 1951 3902 161933 323866 655037 1310074 54368071 108736142 1277977187 2555954374 106072106521 212144213042