Search a number
-
+
61376369271 = 37176715431663
BaseRepresentation
bin111001001010010100…
…010001001001110111
312212102102110121102220
4321022110101021313
52001144322304041
644110152333423
74301651350050
oct711224211167
9185372417386
1061376369271
11240363a6728
12ba8a9a4273
135a31953a89
142d835b3727
1518e34cad66
hexe4a511277

61376369271 has 64 divisors (see below), whose sum is σ = 100631052288. Its totient is φ = 32475852288.

The previous prime is 61376369251. The next prime is 61376369279. The reversal of 61376369271 is 17296367316.

It is not a de Polignac number, because 61376369271 - 27 = 61376369143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61376369279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36906186 + ... + 36907848.

It is an arithmetic number, because the mean of its divisors is an integer number (1572360192).

Almost surely, 261376369271 is an apocalyptic number.

61376369271 is a deficient number, since it is larger than the sum of its proper divisors (39254683017).

61376369271 is a wasteful number, since it uses less digits than its factorization.

61376369271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its digits is 1714608, while the sum is 51.

The spelling of 61376369271 in words is "sixty-one billion, three hundred seventy-six million, three hundred sixty-nine thousand, two hundred seventy-one".

Divisors: 1 3 7 17 21 51 67 119 201 357 469 1139 1407 1543 1663 3417 4629 4989 7973 10801 11641 23919 26231 28271 32403 34923 78693 84813 103381 111421 183617 197897 310143 334263 550851 593691 723667 779947 1757477 1894157 2171001 2339841 2566009 5272431 5682471 7698027 12302339 13259099 17962063 36907017 39777297 43622153 53886189 130866459 171922603 305355071 515767809 916065213 1203458221 2922684251 3610374663 8768052753 20458789757 61376369271