Base | Representation |
---|---|
bin | 111101001000110000… |
… | …0001110011100011010 |
3 | 110112212211121022111112 |
4 | 1322101200032130122 |
5 | 4122340240203340 |
6 | 140151443500322 |
7 | 12325330654301 |
oct | 1722140163432 |
9 | 415784538445 |
10 | 131290162970 |
11 | 5075296871a |
12 | 215409876a2 |
13 | c4c4277185 |
14 | 64d6989438 |
15 | 363625e065 |
hex | 1e9180e71a |
131290162970 has 16 divisors (see below), whose sum is σ = 236339245800. Its totient is φ = 52512297984.
The previous prime is 131290162931. The next prime is 131290162999. The reversal of 131290162970 is 79261092131.
It can be written as a sum of positive squares in 4 ways, for example, as 101692745449 + 29597417521 = 318893^2 + 172039^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322295 + ... + 605354.
Almost surely, 2131290162970 is an apocalyptic number.
131290162970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131290162970 is a deficient number, since it is larger than the sum of its proper divisors (105049082830).
131290162970 is a wasteful number, since it uses less digits than its factorization.
131290162970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 941809.
The product of its (nonzero) digits is 40824, while the sum is 41.
The spelling of 131290162970 in words is "one hundred thirty-one billion, two hundred ninety million, one hundred sixty-two thousand, nine hundred seventy".
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