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7142485353731 = 721314983748361
BaseRepresentation
bin110011111101111110101…
…0011010110010100000011
3221021211000002021220111122
41213323331103112110003
51414010302222304411
623105113521102455
71335012305534600
oct147737523262403
927254002256448
107142485353731
112304124861532
12974317a87a2b
133ca6c208c420
141a99ab9816a7
15c5bd47069db
hex67efd4d6503

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".

Divisors: 1 7 13 49 91 637 14983 104881 194779 734167 748361 1363453 5238527 9544171 9728693 36669689 68100851 476705957 11212692863 78488850041 145765007219 549421950287 1020355050533 7142485353731