Base | Representation |
---|---|
bin | 111011000101000010… |
… | …0001110110111111010 |
3 | 110010110211001221200021 |
4 | 1312022010032313322 |
5 | 4034312311320030 |
6 | 134141121201054 |
7 | 12110652515230 |
oct | 1661204166772 |
9 | 403424057607 |
10 | 126870416890 |
11 | 49895052008 |
12 | 2070879018a |
13 | bc6b6bc4c9 |
14 | 61d79b0950 |
15 | 347822497a |
hex | 1d8a10edfa |
126870416890 has 16 divisors (see below), whose sum is σ = 260990572032. Its totient is φ = 43498428624.
The previous prime is 126870416887. The next prime is 126870416923. The reversal of 126870416890 is 98614078621.
It is a super-2 number, since 2×1268704168902 (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 7 ways as a sum of consecutive naturals, for example, 906217194 + ... + 906217333.
It is an arithmetic number, because the mean of its divisors is an integer number (16311910752).
Almost surely, 2126870416890 is an apocalyptic number.
126870416890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
126870416890 is an abundant number, since it is smaller than the sum of its proper divisors (134120155142).
126870416890 is a wasteful number, since it uses less digits than its factorization.
126870416890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1812434541.
The product of its (nonzero) digits is 1161216, while the sum is 52.
The spelling of 126870416890 in words is "one hundred twenty-six billion, eight hundred seventy million, four hundred sixteen thousand, eight hundred ninety".
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