Base | Representation |
---|---|
bin | 1001001001110001101… |
… | …0010100001100011010 |
3 | 120000212112101100110120 |
4 | 2102130122110030122 |
5 | 10034013144414220 |
6 | 200123022254110 |
7 | 14234425110366 |
oct | 2223432241432 |
9 | 500775340416 |
10 | 157242966810 |
11 | 60760612336 |
12 | 26584427336 |
13 | 11a9c004737 |
14 | 78796b62a6 |
15 | 41548dda40 |
hex | 249c69431a |
157242966810 has 16 divisors (see below), whose sum is σ = 377383120416. Its totient is φ = 41931457808.
The previous prime is 157242966791. The next prime is 157242966817. The reversal of 157242966810 is 18669242751.
It is a super-2 number, since 2×1572429668102 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (157242966817) 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, 2620716084 + ... + 2620716143.
It is an arithmetic number, because the mean of its divisors is an integer number (23586445026).
Almost surely, 2157242966810 is an apocalyptic number.
157242966810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157242966810 is an abundant number, since it is smaller than the sum of its proper divisors (220140153606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157242966810 is a wasteful number, since it uses less digits than its factorization.
157242966810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5241432237.
The product of its (nonzero) digits is 1451520, while the sum is 51.
The spelling of 157242966810 in words is "one hundred fifty-seven billion, two hundred forty-two million, nine hundred sixty-six thousand, eight hundred ten".
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