Base | Representation |
---|---|
bin | 1001001001100101000… |
… | …0010101100011000101 |
3 | 120000201211202100002112 |
4 | 2102121100111203011 |
5 | 10033411121104034 |
6 | 200113451350405 |
7 | 14233213055363 |
oct | 2223120254305 |
9 | 500654670075 |
10 | 157190019269 |
11 | 60733739038 |
12 | 2656a752405 |
13 | 11a9105682a |
14 | 7872652633 |
15 | 414ee307ce |
hex | 24994158c5 |
157190019269 has 8 divisors (see below), whose sum is σ = 161167356672. Its totient is φ = 153219512160.
The previous prime is 157190019251. The next prime is 157190019281. The reversal of 157190019269 is 962910091751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 157190019269 - 220 = 157188970693 is a prime.
It is a super-2 number, since 2×1571900192692 (a number of 23 digits) 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 (157190019209) 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, 1660949 + ... + 1753034.
It is an arithmetic number, because the mean of its divisors is an integer number (20145919584).
Almost surely, 2157190019269 is an apocalyptic number.
It is an amenable number.
157190019269 is a deficient number, since it is larger than the sum of its proper divisors (3977337403).
157190019269 is a wasteful number, since it uses less digits than its factorization.
157190019269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3415147.
The product of its (nonzero) digits is 306180, while the sum is 50.
The spelling of 157190019269 in words is "one hundred fifty-seven billion, one hundred ninety million, nineteen thousand, two hundred sixty-nine".
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