Base | Representation |
---|---|
bin | 1001000010010001110… |
… | …1010000100011011111 |
3 | 112211200021112001011010 |
4 | 2100210131100203133 |
5 | 10020403000104130 |
6 | 155151211430303 |
7 | 14133520146654 |
oct | 2204435204337 |
9 | 484607461133 |
10 | 155230472415 |
11 | 5a918611527 |
12 | 26102455393 |
13 | 1183b0a4355 |
14 | 77282c7c2b |
15 | 4087dae0b0 |
hex | 24247508df |
155230472415 has 8 divisors (see below), whose sum is σ = 248368755888. Its totient is φ = 82789585280.
The previous prime is 155230472251. The next prime is 155230472417. The reversal of 155230472415 is 514274032551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 155230472415 - 212 = 155230468319 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155230472417) 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 7 ways as a sum of consecutive naturals, for example, 5174349066 + ... + 5174349095.
It is an arithmetic number, because the mean of its divisors is an integer number (31046094486).
Almost surely, 2155230472415 is an apocalyptic number.
155230472415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
155230472415 is a deficient number, since it is larger than the sum of its proper divisors (93138283473).
155230472415 is a wasteful number, since it uses less digits than its factorization.
155230472415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10348698169.
The product of its (nonzero) digits is 168000, while the sum is 39.
The spelling of 155230472415 in words is "one hundred fifty-five billion, two hundred thirty million, four hundred seventy-two thousand, four hundred fifteen".
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