Base | Representation |
---|---|
bin | 10010101111111111… |
… | …000001001101001010 |
3 | 1220222001122222122022 |
4 | 102233333001031022 |
5 | 312212343330434 |
6 | 13125415124442 |
7 | 1311620410355 |
oct | 225777011512 |
9 | 56861588568 |
10 | 20132401994 |
11 | 85a1241661 |
12 | 3a9a373722 |
13 | 1b8ac54803 |
14 | d8db0d29c |
15 | 7cc6c122e |
hex | 4affc134a |
20132401994 has 8 divisors (see below), whose sum is σ = 30264111108. Its totient is φ = 10044364960.
The previous prime is 20132401979. The next prime is 20132402009. The reversal of 20132401994 is 49910423102.
It is an interprime number because it is at equal distance from previous prime (20132401979) and next prime (20132402009).
It can be written as a sum of positive squares in 2 ways, for example, as 19034341225 + 1098060769 = 137965^2 + 33137^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×201324019942 (a number of 21 digits) contains 22 as substring.
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 in 3 ways as a sum of consecutive naturals, for example, 10916867 + ... + 10918710.
Almost surely, 220132401994 is an apocalyptic number.
20132401994 is a deficient number, since it is larger than the sum of its proper divisors (10131709114).
20132401994 is a wasteful number, since it uses less digits than its factorization.
20132401994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21836040.
The product of its (nonzero) digits is 15552, while the sum is 35.
The spelling of 20132401994 in words is "twenty billion, one hundred thirty-two million, four hundred one thousand, nine hundred ninety-four".
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