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61026508535641 = 1159246817380977
BaseRepresentation
bin11011110000000110101110…
…10111001111011101011001
322000002002002022022002010121
431320003113113033131121
530444324242141120031
6333443105130513241
715566006525504065
oct1570032727173531
9260062068262117
1061026508535641
11184992191241a0
126a1741a295821
132808a0ca7097c
14110d9ad60caa5
1570c68d670011
hex3780d75cf759

61026508535641 has 16 divisors (see below), whose sum is σ = 67703204162880. Its totient is φ = 54537964001280.

The previous prime is 61026508535617. The next prime is 61026508535669. The reversal of 61026508535641 is 14653580562016.

It is a cyclic number.

It is not a de Polignac number, because 61026508535641 - 29 = 61026508535129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61026508535341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159993745 + ... + 160374721.

It is an arithmetic number, because the mean of its divisors is an integer number (4231450260180).

Almost surely, 261026508535641 is an apocalyptic number.

It is an amenable number.

61026508535641 is a deficient number, since it is larger than the sum of its proper divisors (6676695627239).

61026508535641 is a wasteful number, since it uses less digits than its factorization.

61026508535641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627864.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 61026508535641 in words is "sixty-one trillion, twenty-six billion, five hundred eight million, five hundred thirty-five thousand, six hundred forty-one".

Divisors: 1 11 59 649 246817 380977 2714987 4190747 14562203 22477643 160184233 247254073 94031600209 1034347602299 5547864412331 61026508535641