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31552020136036 = 2288113016881989
BaseRepresentation
bin1110010110010010001101…
…11100111100000001100100
311010201100021112101121111201
413023021012330330001210
513113422014123323121
6151034444205012244
76434362321026031
oct713110674740144
9133640245347451
1031552020136036
11a065155897604
123656bab854084
13147b45bc9cc2a
147b11a9764388
1539ab19056e91
hex1cb246f3c064

31552020136036 has 24 divisors (see below), whose sum is σ = 55321206950520. Its totient is φ = 15745988544000.

The previous prime is 31552020136031. The next prime is 31552020136069. The reversal of 31552020136036 is 63063102025513.

It can be written as a sum of positive squares in 4 ways, for example, as 182163361636 + 31369856774400 = 426806^2 + 5600880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31552020135986 and 31552020136004.

It is not an unprimeable number, because it can be changed into a prime (31552020136031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143730 + ... + 8025718.

It is an arithmetic number, because the mean of its divisors is an integer number (2305050289605).

Almost surely, 231552020136036 is an apocalyptic number.

It is an amenable number.

31552020136036 is a deficient number, since it is larger than the sum of its proper divisors (23769186814484).

31552020136036 is a wasteful number, since it uses less digits than its factorization.

31552020136036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884175 (or 6884173 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 31552020136036 in words is "thirty-one trillion, five hundred fifty-two billion, twenty million, one hundred thirty-six thousand, thirty-six".

Divisors: 1 2 4 881 1301 1762 2602 3524 5204 1146181 2292362 4584724 6881989 13763978 27527956 6063032309 8953467689 12126064618 17906935378 24252129236 35813870756 7888005034009 15776010068018 31552020136036