Search a number
-
+
61335526530 = 23579233311093
BaseRepresentation
bin111001000111111000…
…011101110010000010
312212022120121120201210
4321013320131302002
52001103343322110
644102133110550
74300644242025
oct710770356202
9185276546653
1061335526530
112401533a9a3
12ba79188456
135a26353785
142d7bdc11bc
1518deb0e520
hexe47e1dc82

61335526530 has 64 divisors (see below), whose sum is σ = 149145960960. Its totient is φ = 16140723456.

The previous prime is 61335526523. The next prime is 61335526531. The reversal of 61335526530 is 3562553316.

61335526530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61335526531) 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, 5523664 + ... + 5534756.

It is an arithmetic number, because the mean of its divisors is an integer number (2330405640).

Almost surely, 261335526530 is an apocalyptic number.

61335526530 is an abundant number, since it is smaller than the sum of its proper divisors (87810434430).

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

61335526530 is a wasteful number, since it uses less digits than its factorization.

61335526530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515.

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 61335526530 in words is "sixty-one billion, three hundred thirty-five million, five hundred twenty-six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2333 2370 4666 6999 11093 11665 13998 22186 23330 33279 34995 55465 66558 69990 110930 166395 184307 332790 368614 552921 876347 921535 1105842 1752694 1843070 2629041 2764605 4381735 5258082 5529210 8763470 13145205 25879969 26290410 51759938 77639907 129399845 155279814 258799690 388199535 776399070 2044517551 4089035102 6133552653 10222587755 12267105306 20445175510 30667763265 61335526530