Base | Representation |
---|---|
bin | 1000111101110011111… |
… | …0000011111000000000 |
3 | 112201120200201012112011 |
4 | 2033130332003320000 |
5 | 10010423431033210 |
6 | 154432205142304 |
7 | 14062014563305 |
oct | 2173476037000 |
9 | 481520635464 |
10 | 154031111680 |
11 | 5a362602006 |
12 | 25a2885a994 |
13 | 116a9774b44 |
14 | 7652cc30ac |
15 | 401794cd8a |
hex | 23dcf83e00 |
154031111680 has 40 divisors (see below), whose sum is σ = 369313663752. Its totient is φ = 61612443648.
The previous prime is 154031111623. The next prime is 154031111681. The reversal of 154031111680 is 86111130451.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154031111681) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30081642 + ... + 30086761.
Almost surely, 2154031111680 is an apocalyptic number.
154031111680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154031111680 is an abundant number, since it is smaller than the sum of its proper divisors (215282552072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154031111680 is an frugal number, since it uses more digits than its factorization.
154031111680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60168426 (or 60168410 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 31.
The spelling of 154031111680 in words is "one hundred fifty-four billion, thirty-one million, one hundred eleven thousand, six hundred eighty".
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