Base | Representation |
---|---|
bin | 1000111110100100110… |
… | …1010000001110100111 |
3 | 112202010000001000000012 |
4 | 2033221031100032213 |
5 | 10011334010433111 |
6 | 154504421440435 |
7 | 14100056642660 |
oct | 2175115201647 |
9 | 482100030005 |
10 | 154236421031 |
11 | 5a458490a60 |
12 | 25a8557011b |
13 | 1171016a974 |
14 | 7672288367 |
15 | 402a9a548b |
hex | 23e93503a7 |
154236421031 has 8 divisors (see below), whose sum is σ = 192294758784. Its totient is φ = 120184224120.
The previous prime is 154236421019. The next prime is 154236421037. The reversal of 154236421031 is 130124632451.
154236421031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 154236421031 - 26 = 154236420967 is a prime.
It is a super-2 number, since 2×1542364210312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154236421037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001535125 + ... + 1001535278.
It is an arithmetic number, because the mean of its divisors is an integer number (24036844848).
Almost surely, 2154236421031 is an apocalyptic number.
154236421031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
154236421031 is a deficient number, since it is larger than the sum of its proper divisors (38058337753).
154236421031 is a wasteful number, since it uses less digits than its factorization.
154236421031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2003070421.
The product of its (nonzero) digits is 17280, while the sum is 32.
The spelling of 154236421031 in words is "one hundred fifty-four billion, two hundred thirty-six million, four hundred twenty-one thousand, thirty-one".
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