Base | Representation |
---|---|
bin | 101000000000001001… |
… | …001010000011010101 |
3 | 11002212101220101221102 |
4 | 220000021022003111 |
5 | 1200431212322204 |
6 | 31422031555445 |
7 | 3050251412606 |
oct | 500011120325 |
9 | 132771811842 |
10 | 42952073429 |
11 | 17241364551 |
12 | 83a868bb85 |
13 | 4086856385 |
14 | 2116699dad |
15 | 11b5c6041e |
hex | a0024a0d5 |
42952073429 has 4 divisors (see below), whose sum is σ = 43353494784. Its totient is φ = 42550652076.
The previous prime is 42952073407. The next prime is 42952073443. The reversal of 42952073429 is 92437025924.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42952073429 - 228 = 42683637973 is a prime.
It is a super-2 number, since 2×429520734292 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42952073459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200710517 + ... + 200710730.
It is an arithmetic number, because the mean of its divisors is an integer number (10838373696).
Almost surely, 242952073429 is an apocalyptic number.
It is an amenable number.
42952073429 is a deficient number, since it is larger than the sum of its proper divisors (401421355).
42952073429 is a wasteful number, since it uses less digits than its factorization.
42952073429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 401421354.
The product of its (nonzero) digits is 1088640, while the sum is 47.
The spelling of 42952073429 in words is "forty-two billion, nine hundred fifty-two million, seventy-three thousand, four hundred twenty-nine".
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