Base | Representation |
---|---|
bin | 1001000101001101110101… |
… | …00010110000000111001001 |
3 | 2121201011011210020112202221 |
4 | 10202212322202300013021 |
5 | 10104143421223144431 |
6 | 110250142354454041 |
7 | 4130546636362411 |
oct | 442467242600711 |
9 | 77634153215687 |
10 | 19970432631241 |
11 | 63aa45a657294 |
12 | 22a64a1594321 |
13 | b1b285746a71 |
14 | 4d080746d641 |
15 | 249724219111 |
hex | 1229ba8b01c9 |
19970432631241 has 9 divisors (see below), whose sum is σ = 20004242767149. Its totient is φ = 19936679565804.
The previous prime is 19970432631137. The next prime is 19970432631251. The reversal of 19970432631241 is 14213623407991.
The square root of 19970432631241 is 4468829.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 19970432631241 - 217 = 19970432500169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (19970432631251) by changing a digit.
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 in 8 ways as a sum of consecutive naturals, for example, 2891328910 + ... + 2891335816.
Almost surely, 219970432631241 is an apocalyptic number.
19970432631241 is the 4468829-th square number.
19970432631241 is the 2234415-th centered octagonal number.
It is an amenable number.
19970432631241 is a deficient number, since it is larger than the sum of its proper divisors (33810135908).
19970432631241 is an frugal number, since it uses more digits than its factorization.
19970432631241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15108 (or 7554 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 52.
The spelling of 19970432631241 in words is "nineteen trillion, nine hundred seventy billion, four hundred thirty-two million, six hundred thirty-one thousand, two hundred forty-one".
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