Search a number
-
+
61032807560 = 2352236842243
BaseRepresentation
bin111000110101110101…
…101011110010001000
312211112110222212101002
4320311311223302020
51444443344320220
644012120514132
74260310206314
oct706565536210
9184473885332
1061032807560
112397a47972a
12b9b391b948
1359a871321a
142d4db00b44
1518c3264c75
hexe35d6bc88

61032807560 has 32 divisors (see below), whose sum is σ = 137939639040. Its totient is φ = 24303643584.

The previous prime is 61032807557. The next prime is 61032807581. The reversal of 61032807560 is 6570823016.

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 7 ways as a sum of consecutive naturals, for example, 3412202 + ... + 3430041.

It is an arithmetic number, because the mean of its divisors is an integer number (4310613720).

Almost surely, 261032807560 is an apocalyptic number.

It is an amenable number.

61032807560 is an abundant number, since it is smaller than the sum of its proper divisors (76906831480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61032807560 is a wasteful number, since it uses less digits than its factorization.

61032807560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842477 (or 6842473 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 61032807560 in words is "sixty-one billion, thirty-two million, eight hundred seven thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 223 446 892 1115 1784 2230 4460 8920 6842243 13684486 27368972 34211215 54737944 68422430 136844860 273689720 1525820189 3051640378 6103280756 7629100945 12206561512 15258201890 30516403780 61032807560