Base | Representation |
---|---|
bin | 1001000000001110110… |
… | …0101011101011010100 |
3 | 112210020222100020000000 |
4 | 2100003230223223110 |
5 | 10013241300230130 |
6 | 155020455451300 |
7 | 14114064452253 |
oct | 2200354535324 |
9 | 483228306000 |
10 | 154680867540 |
11 | 5a666354221 |
12 | 25b8a386b30 |
13 | 11781271974 |
14 | 76b52dc79a |
15 | 40549e8260 |
hex | 2403b2bad4 |
154680867540 has 96 divisors (see below), whose sum is σ = 487170606720. Its totient is φ = 41248219680.
The previous prime is 154680867533. The next prime is 154680867541. The reversal of 154680867540 is 45768086451.
154680867540 is a `hidden beast` number, since 15 + 4 + 6 + 8 + 0 + 86 + 7 + 540 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154680867541) 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 31 ways as a sum of consecutive naturals, for example, 1724446 + ... + 1811925.
It is an arithmetic number, because the mean of its divisors is an integer number (5074693820).
Almost surely, 2154680867540 is an apocalyptic number.
154680867540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154680867540 is an abundant number, since it is smaller than the sum of its proper divisors (332489739180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154680867540 is an equidigital number, since it uses as much as digits as its factorization.
154680867540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3536401 (or 3536381 counting only the distinct ones).
The product of its (nonzero) digits is 6451200, while the sum is 54.
The spelling of 154680867540 in words is "one hundred fifty-four billion, six hundred eighty million, eight hundred sixty-seven thousand, five hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •