Base | Representation |
---|---|
bin | 100101011001001101… |
… | …000111001101010001 |
3 | 10211122012210011001011 |
4 | 211121031013031101 |
5 | 1124212214042111 |
6 | 30240102010521 |
7 | 2620662356140 |
oct | 453115071521 |
9 | 124565704034 |
10 | 40151315281 |
11 | 160344094a0 |
12 | 7946716a41 |
13 | 3a2b52202c |
14 | 1d2c719757 |
15 | 109ee26021 |
hex | 959347351 |
40151315281 has 16 divisors (see below), whose sum is σ = 50100167808. Its totient is φ = 31260873600.
The previous prime is 40151315233. The next prime is 40151315287. The reversal of 40151315281 is 18251315104.
It is not a de Polignac number, because 40151315281 - 215 = 40151282513 is a prime.
It is a super-2 number, since 2×401513152812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (40151315287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121540 + ... + 308341.
It is an arithmetic number, because the mean of its divisors is an integer number (3131260488).
Almost surely, 240151315281 is an apocalyptic number.
It is an amenable number.
40151315281 is a deficient number, since it is larger than the sum of its proper divisors (9948852527).
40151315281 is a wasteful number, since it uses less digits than its factorization.
40151315281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431112.
The product of its (nonzero) digits is 4800, while the sum is 31.
The spelling of 40151315281 in words is "forty billion, one hundred fifty-one million, three hundred fifteen thousand, two hundred eighty-one".
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