Base | Representation |
---|---|
bin | 11100111001110001… |
… | …111001001010000000 |
3 | 2222002211020020121110 |
4 | 130321301321022000 |
5 | 1002024220322202 |
6 | 22131253323320 |
7 | 2146024635645 |
oct | 347161711200 |
9 | 88084206543 |
10 | 31034151552 |
11 | 12185a73438 |
12 | 6021336540 |
13 | 2c076cbab1 |
14 | 1705925dcc |
15 | c1980426c |
hex | 739c79280 |
31034151552 has 64 divisors (see below), whose sum is σ = 82626168960. Its totient is φ = 10320660480.
The previous prime is 31034151541. The next prime is 31034151569. The reversal of 31034151552 is 25515143013.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71748 + ... + 259260.
It is an arithmetic number, because the mean of its divisors is an integer number (1291033890).
Almost surely, 231034151552 is an apocalyptic number.
31034151552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31034151552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41313084480).
31034151552 is an abundant number, since it is smaller than the sum of its proper divisors (51592017408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31034151552 is a wasteful number, since it uses less digits than its factorization.
31034151552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187961 (or 187949 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 30.
Adding to 31034151552 its reverse (25515143013), we get a palindrome (56549294565).
The spelling of 31034151552 in words is "thirty-one billion, thirty-four million, one hundred fifty-one thousand, five hundred fifty-two".
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