Base | Representation |
---|---|
bin | 100111010000001100… |
… | …101000110010101001 |
3 | 11000210100021221210000 |
4 | 213100030220302221 |
5 | 1142304301220101 |
6 | 31210135013213 |
7 | 3021313235532 |
oct | 472014506251 |
9 | 130710257700 |
10 | 42147679401 |
11 | 169692a23a3 |
12 | 820320a209 |
13 | 3c88cc5489 |
14 | 207b909689 |
15 | 116a31b486 |
hex | 9d0328ca9 |
42147679401 has 15 divisors (see below), whose sum is σ = 62964108493. Its totient is φ = 28097221140.
The previous prime is 42147679393. The next prime is 42147679411. The reversal of 42147679401 is 10497674124.
The square root of 42147679401 is 205299.
It is a perfect power (a square), and thus also a powerful number.
42147679401 is a `hidden beast` number, since 42 + 147 + 67 + 9 + 401 = 666.
It is not a de Polignac number, because 42147679401 - 23 = 42147679393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42147679411) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1836286 + ... + 1859096.
Almost surely, 242147679401 is an apocalyptic number.
42147679401 is the 205299-th square number.
42147679401 is the 102650-th centered octagonal number.
It is an amenable number.
42147679401 is a deficient number, since it is larger than the sum of its proper divisors (20816429092).
42147679401 is an frugal number, since it uses more digits than its factorization.
42147679401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45634 (or 22814 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The spelling of 42147679401 in words is "forty-two billion, one hundred forty-seven million, six hundred seventy-nine thousand, four hundred one".
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