Base | Representation |
---|---|
bin | 1110011011110101… |
… | …0011110111010111 |
3 | 101000001011212000001 |
4 | 3212331103313113 |
5 | 30413424104311 |
6 | 1440255032131 |
7 | 165010345543 |
oct | 34675236727 |
9 | 11001155001 |
10 | 3874831831 |
11 | 1709272562 |
12 | 90180b647 |
13 | 499a08300 |
14 | 28a890a23 |
15 | 17a29d4c1 |
hex | e6f53dd7 |
3874831831 has 6 divisors (see below), whose sum is σ = 4195824000. Its totient is φ = 3576767688.
The previous prime is 3874831819. The next prime is 3874831847. The reversal of 3874831831 is 1381384783.
It is not a de Polignac number, because 3874831831 - 219 = 3874307543 is a prime.
It is a super-2 number, since 2×38748318312 = 30028643437061625122, which 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 (3874831871) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11463831 + ... + 11464168.
It is an arithmetic number, because the mean of its divisors is an integer number (699304000).
Almost surely, 23874831831 is an apocalyptic number.
3874831831 is a deficient number, since it is larger than the sum of its proper divisors (320992169).
3874831831 is a wasteful number, since it uses less digits than its factorization.
3874831831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22928025 (or 22928012 counting only the distinct ones).
The product of its digits is 387072, while the sum is 46.
The square root of 3874831831 is about 62248.1472093748. The cubic root of 3874831831 is about 1570.6676040243.
The spelling of 3874831831 in words is "three billion, eight hundred seventy-four million, eight hundred thirty-one thousand, eight hundred thirty-one".
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