Base | Representation |
---|---|
bin | 1001000001111111101… |
… | …0011010101011110000 |
3 | 112211110222001112012222 |
4 | 2100133322122223300 |
5 | 10020223440330000 |
6 | 155135445340212 |
7 | 14131603123610 |
oct | 2203772325360 |
9 | 484428045188 |
10 | 155154230000 |
11 | 5a889577470 |
12 | 260a0a07668 |
13 | 1182835b3b3 |
14 | 771c11ca40 |
15 | 408134da85 |
hex | 241fe9aaf0 |
155154230000 has 200 divisors, whose sum is σ = 468337584000. Its totient is φ = 48359520000.
The previous prime is 155154229999. The next prime is 155154230029. The reversal of 155154230000 is 32451551.
It is a tau number, because it is divible by the number of its divisors (200).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 669251 + ... + 870749.
It is an arithmetic number, because the mean of its divisors is an integer number (2341687920).
Almost surely, 2155154230000 is an apocalyptic number.
155154230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 155154230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234168792000).
155154230000 is an abundant number, since it is smaller than the sum of its proper divisors (313183354000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155154230000 is a wasteful number, since it uses less digits than its factorization.
155154230000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201545 (or 201524 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
Adding to 155154230000 its reverse (32451551), we get a palindrome (155186681551).
The spelling of 155154230000 in words is "one hundred fifty-five billion, one hundred fifty-four million, two hundred thirty thousand".
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