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61050605555105 = 5293183761226777
BaseRepresentation
bin11011110000110011100111…
…01010000100110110100001
322000011101021200002111111222
431320121303222010312201
531000223120010230410
6333502132213344425
715600521630004125
oct1570316352046641
9260141250074458
1061050605555105
11184a8464282611
126a20024338115
13280b0801a8c7a
141110c17aa1585
1570d0ede27955
hex378673a84da1

61050605555105 has 16 divisors (see below), whose sum is σ = 73511487466704. Its totient is φ = 48673313863680.

The previous prime is 61050605555059. The next prime is 61050605555119. The reversal of 61050605555105 is 50155550605016.

61050605555105 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 8 ways, for example, as 745922414224 + 60304683140881 = 863668^2 + 7765609^2 .

It is not a de Polignac number, because 61050605555105 - 28 = 61050605554849 is a prime.

It is a super-2 number, since 2×610506055551052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269096477 + ... + 269323253.

It is an arithmetic number, because the mean of its divisors is an integer number (4594467966669).

Almost surely, 261050605555105 is an apocalyptic number.

It is an amenable number.

61050605555105 is a deficient number, since it is larger than the sum of its proper divisors (12460881911599).

61050605555105 is a wasteful number, since it uses less digits than its factorization.

61050605555105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410836.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 61050605555105 in words is "sixty-one trillion, fifty billion, six hundred five million, five hundred fifty-five thousand, one hundred five".

Divisors: 1 5 293 1465 183761 226777 918805 1133885 53841973 66445661 269209865 332228305 41672768297 208363841485 12210121111021 61050605555105