Base | Representation |
---|---|
bin | 111010101011010111… |
… | …0011101001101010100 |
3 | 110001020210022000110011 |
4 | 1311112232131031110 |
5 | 4031031310223140 |
6 | 133515431410004 |
7 | 12050423266102 |
oct | 1652656351524 |
9 | 401223260404 |
10 | 126009070420 |
11 | 49492920722 |
12 | 20508223904 |
13 | bb6210a83c |
14 | 6155436c72 |
15 | 34277d0cea |
hex | 1d56b9d354 |
126009070420 has 48 divisors (see below), whose sum is σ = 280723051728. Its totient is φ = 47347589120.
The previous prime is 126009070381. The next prime is 126009070427. The reversal of 126009070420 is 24070900621.
It can be written as a sum of positive squares in 8 ways, for example, as 16609538884 + 109399531536 = 128878^2 + 330756^2 .
It is a super-2 number, since 2×1260090704202 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126009070427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178537 + ... + 532816.
It is an arithmetic number, because the mean of its divisors is an integer number (5848396911).
Almost surely, 2126009070420 is an apocalyptic number.
126009070420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
126009070420 is an abundant number, since it is smaller than the sum of its proper divisors (154713981308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126009070420 is a wasteful number, since it uses less digits than its factorization.
126009070420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711900 (or 711898 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The spelling of 126009070420 in words is "one hundred twenty-six billion, nine million, seventy thousand, four hundred twenty".
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