Base | Representation |
---|---|
bin | 1000101000101000010… |
… | …1110110100101001101 |
3 | 112011220110120020221012 |
4 | 2022022011312211031 |
5 | 4412302443200112 |
6 | 152052110415005 |
7 | 13501100313335 |
oct | 2121205664515 |
9 | 464813506835 |
10 | 148345678157 |
11 | 57a052a4716 |
12 | 24900801465 |
13 | 10cb19070b1 |
14 | 7273b9a0c5 |
15 | 3cd3750022 |
hex | 228a17694d |
148345678157 has 4 divisors (see below), whose sum is σ = 148363587456. Its totient is φ = 148327768860.
The previous prime is 148345678123. The next prime is 148345678181. The reversal of 148345678157 is 751876543841.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751876543841 = 61 ⋅12325844981.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-148345678157 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 148345678096 and 148345678105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148345078157) 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 3 ways as a sum of consecutive naturals, for example, 8942219 + ... + 8958792.
It is an arithmetic number, because the mean of its divisors is an integer number (37090896864).
Almost surely, 2148345678157 is an apocalyptic number.
It is an amenable number.
148345678157 is a deficient number, since it is larger than the sum of its proper divisors (17909299).
148345678157 is an equidigital number, since it uses as much as digits as its factorization.
148345678157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17909298.
The product of its digits is 22579200, while the sum is 59.
The spelling of 148345678157 in words is "one hundred forty-eight billion, three hundred forty-five million, six hundred seventy-eight thousand, one hundred fifty-seven".
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