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61060505001055 = 5715115117646293
BaseRepresentation
bin11011110001000110000011…
…01101011101110001011111
322000012022211120122110102021
431320203001231131301133
531000403403240013210
6333510450405041011
715601322143625440
oct1570430155356137
9260168746573367
1061060505001055
11185016842578aa
126a21b276b6167
13280bc9a0ba6b1
1411114b672b2c7
1570d4cd071bda
hex3788c1b5dc5f

61060505001055 has 32 divisors (see below), whose sum is σ = 84350489868288. Its totient is φ = 41565243312000.

The previous prime is 61060505001053. The next prime is 61060505001071. The reversal of 61060505001055 is 55010050506016.

It is not a de Polignac number, because 61060505001055 - 21 = 61060505001053 is a prime.

It is a super-2 number, since 2×610605050010552 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61060505001055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61060505001053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4162489 + ... + 11808781.

It is an arithmetic number, because the mean of its divisors is an integer number (2635952808384).

Almost surely, 261060505001055 is an apocalyptic number.

61060505001055 is a deficient number, since it is larger than the sum of its proper divisors (23289984867233).

61060505001055 is a wasteful number, since it uses less digits than its factorization.

61060505001055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647967.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 61060505001055 in words is "sixty-one trillion, sixty billion, five hundred five million, one thousand, fifty-five".

Divisors: 1 5 7 35 151 755 1057 1511 5285 7555 10577 52885 228161 1140805 1597127 7646293 7985635 38231465 53524051 267620255 1154590243 5772951215 8082131701 11553548723 40410658505 57767743615 80874841061 404374205305 1744585857173 8722929285865 12212101000211 61060505001055