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64028457050 = 25211701109441
BaseRepresentation
bin111011101000011001…
…001011100001011010
320010021020211121221012
4323220121023201122
52022112241111200
645225252013522
74424453622305
oct735031134132
9203236747835
1064028457050
1125177438508
12104ab0012a2
13606523349c
1431558d3b3c
1519eb249a35
hexee864b85a

64028457050 has 24 divisors (see below), whose sum is σ = 119104196412. Its totient is φ = 25608960000.

The previous prime is 64028457049. The next prime is 64028457061. The reversal of 64028457050 is 5075482046.

64028457050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 41873027641 + 22155429409 = 204629^2 + 148847^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64028456989 and 64028457007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530330 + ... + 639770.

Almost surely, 264028457050 is an apocalyptic number.

64028457050 is a deficient number, since it is larger than the sum of its proper divisors (55075739362).

64028457050 is a wasteful number, since it uses less digits than its factorization.

64028457050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121154 (or 121149 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 64028457050 in words is "sixty-four billion, twenty-eight million, four hundred fifty-seven thousand, fifty".

Divisors: 1 2 5 10 25 50 11701 23402 58505 109441 117010 218882 292525 547205 585050 1094410 2736025 5472050 1280569141 2561138282 6402845705 12805691410 32014228525 64028457050