Base | Representation |
---|---|
bin | 100011000010111001111001… |
… | …001101101000001110000000 |
3 | 202012201210122102120012210002 |
4 | 203002321321031220032000 |
5 | 130200241224340000000 |
6 | 1303450524244255132 |
7 | 44315420364310631 |
oct | 4302717115501600 |
9 | 665653572505702 |
10 | 154131230000000 |
11 | 45124762162190 |
12 | 153537b90a14a8 |
13 | 6800688305606 |
14 | 2a0bdc4323888 |
15 | 12c44912128d5 |
hex | 8c2e79368380 |
154131230000000 has 1024 divisors, whose sum is σ = 456130082304000. Its totient is φ = 51246720000000.
The previous prime is 154131229999993. The next prime is 154131230000039. The reversal of 154131230000000 is 32131451.
It is a super-2 number, since 2×1541312300000002 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60609998729 + ... + 60610001271.
It is an arithmetic number, because the mean of its divisors is an integer number (445439533500).
Almost surely, 2154131230000000 is an apocalyptic number.
154131230000000 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 154131230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228065041152000).
154131230000000 is an abundant number, since it is smaller than the sum of its proper divisors (301998852304000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154131230000000 is an frugal number, since it uses more digits than its factorization.
154131230000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2651 (or 2609 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 154131230000000 its reverse (32131451), we get a palindrome (154131262131451).
The spelling of 154131230000000 in words is "one hundred fifty-four trillion, one hundred thirty-one billion, two hundred thirty million", and thus it is an aban number.
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