Base | Representation |
---|---|
bin | 101011111000101010… |
… | …101001000100010100 |
3 | 11111121222121100012122 |
4 | 223320222221010110 |
5 | 1233001112211123 |
6 | 33351455235112 |
7 | 3255500666213 |
oct | 537052510424 |
9 | 144558540178 |
10 | 47121600788 |
11 | 18a90a08129 |
12 | 9170b18a98 |
13 | 459c622c22 |
14 | 23d033d07a |
15 | 135bd20bc8 |
hex | af8aa9114 |
47121600788 has 24 divisors (see below), whose sum is σ = 86849555520. Its totient is φ = 22308773760.
The previous prime is 47121600787. The next prime is 47121600833. The reversal of 47121600788 is 88700612174.
It is a super-5 number, since 5×471216007885 (a number of 55 digits) contains 55555 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47121600787) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23168 + ... + 307863.
It is an arithmetic number, because the mean of its divisors is an integer number (3618731480).
Almost surely, 247121600788 is an apocalyptic number.
It is an amenable number.
47121600788 is a deficient number, since it is larger than the sum of its proper divisors (39727954732).
47121600788 is a wasteful number, since it uses less digits than its factorization.
47121600788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 332927 (or 332925 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 44.
The spelling of 47121600788 in words is "forty-seven billion, one hundred twenty-one million, six hundred thousand, seven hundred eighty-eight".
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