Base | Representation |
---|---|
bin | 1001001010001100101… |
… | …0111111011100000101 |
3 | 120001011102210212000222 |
4 | 2102203022333130011 |
5 | 10034231213441044 |
6 | 200142153314125 |
7 | 14240303150600 |
oct | 2224312773405 |
9 | 501142725028 |
10 | 157356390149 |
11 | 60809641a32 |
12 | 265b6405945 |
13 | 11ab966803a |
14 | 788a79d337 |
15 | 415e8458ee |
hex | 24a32bf705 |
157356390149 has 48 divisors (see below), whose sum is σ = 194409763200. Its totient is φ = 126636048000.
The previous prime is 157356390137. The next prime is 157356390167. The reversal of 157356390149 is 941093653751.
157356390149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157356390149 - 220 = 157355341573 is a prime.
It is a super-2 number, since 2×1573563901492 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 157356390149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157356390049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76053287 + ... + 76055355.
It is an arithmetic number, because the mean of its divisors is an integer number (4050203400).
Almost surely, 2157356390149 is an apocalyptic number.
157356390149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
157356390149 is a deficient number, since it is larger than the sum of its proper divisors (37053373051).
157356390149 is a wasteful number, since it uses less digits than its factorization.
157356390149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2794 (or 2787 counting only the distinct ones).
The product of its (nonzero) digits is 3061800, while the sum is 53.
The spelling of 157356390149 in words is "one hundred fifty-seven billion, three hundred fifty-six million, three hundred ninety thousand, one hundred forty-nine".
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