Base | Representation |
---|---|
bin | 110011111101111110101… |
… | …0011010110010100000011 |
3 | 221021211000002021220111122 |
4 | 1213323331103112110003 |
5 | 1414010302222304411 |
6 | 23105113521102455 |
7 | 1335012305534600 |
oct | 147737523262403 |
9 | 27254002256448 |
10 | 7142485353731 |
11 | 2304124861532 |
12 | 974317a87a2b |
13 | 3ca6c208c420 |
14 | 1a99ab9816a7 |
15 | c5bd47069db |
hex | 67efd4d6503 |
7142485353731 has 24 divisors (see below), whose sum is σ = 8948338053984. Its totient is φ = 5650812478080.
The previous prime is 7142485353721. The next prime is 7142485353739. The reversal of 7142485353731 is 1373535842417.
It is a de Polignac number, because none of the positive numbers 2k-7142485353731 is a prime.
It is a super-2 number, since 2×71424853537312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7142485353739) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9169991 + ... + 9918351.
It is an arithmetic number, because the mean of its divisors is an integer number (372847418916).
Almost surely, 27142485353731 is an apocalyptic number.
7142485353731 is a deficient number, since it is larger than the sum of its proper divisors (1805852700253).
7142485353731 is a wasteful number, since it uses less digits than its factorization.
7142485353731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763371 (or 763364 counting only the distinct ones).
The product of its digits is 8467200, while the sum is 53.
The spelling of 7142485353731 in words is "seven trillion, one hundred forty-two billion, four hundred eighty-five million, three hundred fifty-three thousand, seven hundred thirty-one".
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