Base | Representation |
---|---|
bin | 1000011101011100100… |
… | …0111000101010100000 |
3 | 111220011020011020221222 |
4 | 2013113020320222200 |
5 | 4340130344221311 |
6 | 150434140234212 |
7 | 13333513050302 |
oct | 2072710705240 |
9 | 456136136858 |
10 | 145343351456 |
11 | 56704595186 |
12 | 2420323b968 |
13 | 109238b9814 |
14 | 706b149972 |
15 | 3ba9d9badb |
hex | 21d7238aa0 |
145343351456 has 24 divisors (see below), whose sum is σ = 293878366740. Its totient is φ = 70707575808.
The previous prime is 145343351449. The next prime is 145343351551. The reversal of 145343351456 is 654153343541.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 131580307600 + 13763043856 = 362740^2 + 117316^2 .
It is a super-2 number, since 2×1453433514562 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61376921 + ... + 61379288.
Almost surely, 2145343351456 is an apocalyptic number.
145343351456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
145343351456 is an abundant number, since it is smaller than the sum of its proper divisors (148535015284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145343351456 is a wasteful number, since it uses less digits than its factorization.
145343351456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122756256 (or 122756248 counting only the distinct ones).
The product of its digits is 1296000, while the sum is 44.
Adding to 145343351456 its reverse (654153343541), we get a palindrome (799496694997).
The spelling of 145343351456 in words is "one hundred forty-five billion, three hundred forty-three million, three hundred fifty-one thousand, four hundred fifty-six".
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