Search a number
-
+
61050671385 = 35112947271463
BaseRepresentation
bin111000110110111001…
…110101000100011001
312211120201121102221020
4320312321311010121
52000012432441020
644013555433053
74260615100404
oct706671650431
9184521542836
1061050671385
1123989570020
12b9b98b5789
1359ac329232
142d52230d3b
1518c4ae2c40
hexe36e75119

61050671385 has 64 divisors (see below), whose sum is σ = 112581550080. Its totient is φ = 27971444480.

The previous prime is 61050671347. The next prime is 61050671399. The reversal of 61050671385 is 58317605016.

It is not a de Polignac number, because 61050671385 - 216 = 61050605849 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89164 + ... + 360626.

It is an arithmetic number, because the mean of its divisors is an integer number (1759086720).

Almost surely, 261050671385 is an apocalyptic number.

It is an amenable number.

61050671385 is a deficient number, since it is larger than the sum of its proper divisors (51530878695).

61050671385 is a wasteful number, since it uses less digits than its factorization.

61050671385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271558.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 61050671385 in words is "sixty-one billion, fifty million, six hundred seventy-one thousand, three hundred eighty-five".

Divisors: 1 3 5 11 15 29 33 47 55 87 141 145 165 235 319 435 517 705 957 1363 1551 1595 2585 4089 4785 6815 7755 14993 20445 44979 74965 224895 271463 814389 1357315 2986093 4071945 7872427 8958279 12758761 14930465 23617281 38276283 39362135 44791395 63793805 86596697 118086405 140346371 191381415 259790091 370004069 421039113 432983485 701731855 1110012207 1298950455 1850020345 2105195565 4070044759 5550061035 12210134277 20350223795 61050671385