Base | Representation |
---|---|
bin | 111000011100011101… |
… | …1111100000101011000 |
3 | 102120212122010111201201 |
4 | 1300320323330011120 |
5 | 3441221331232414 |
6 | 131403551323544 |
7 | 11520542504551 |
oct | 1607073740530 |
9 | 376778114651 |
10 | 121214320984 |
11 | 47452362489 |
12 | 1b5aa5205b4 |
13 | b5799540b3 |
14 | 5c1c723328 |
15 | 32468be574 |
hex | 1c38efc158 |
121214320984 has 8 divisors (see below), whose sum is σ = 227276851860. Its totient is φ = 60607160488.
The previous prime is 121214320979. The next prime is 121214321027. The reversal of 121214320984 is 489023412121.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×1212143209842 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575895054 + ... + 7575895069.
Almost surely, 2121214320984 is an apocalyptic number.
It is an amenable number.
121214320984 is a deficient number, since it is larger than the sum of its proper divisors (106062530876).
121214320984 is a wasteful number, since it uses less digits than its factorization.
121214320984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15151790129 (or 15151790125 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The spelling of 121214320984 in words is "one hundred twenty-one billion, two hundred fourteen million, three hundred twenty thousand, nine hundred eighty-four".
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