Base | Representation |
---|---|
bin | 11100110001110010… |
… | …10010000110001110 |
3 | 1110212202000010011021 |
4 | 32120321102012032 |
5 | 223120203230204 |
6 | 11033032144354 |
7 | 1054603205200 |
oct | 163071220616 |
9 | 43782003137 |
10 | 15450055054 |
11 | 6609176045 |
12 | 2bb22380ba |
13 | 15c2b64b15 |
14 | a67cd8770 |
15 | 6065b4154 |
hex | 398e5218e |
15450055054 has 24 divisors (see below), whose sum is σ = 26963185608. Its totient is φ = 6620367600.
The previous prime is 15450055031. The next prime is 15450055057. The reversal of 15450055054 is 45055005451.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15450055057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 962337 + ... + 978259.
It is an arithmetic number, because the mean of its divisors is an integer number (1123466067).
Almost surely, 215450055054 is an apocalyptic number.
15450055054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
15450055054 is a deficient number, since it is larger than the sum of its proper divisors (11513130554).
15450055054 is a wasteful number, since it uses less digits than its factorization.
15450055054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25840 (or 25833 counting only the distinct ones).
The product of its (nonzero) digits is 50000, while the sum is 34.
The spelling of 15450055054 in words is "fifteen billion, four hundred fifty million, fifty-five thousand, fifty-four".
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