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61242432500361 = 3717361877474049
BaseRepresentation
bin11011110110011000111010…
…11011110011001010001001
322000211201102102022222122010
431323030131123303022021
531011344000210002421
6334130215102450133
715620422366100160
oct1573143533631211
9260751372288563
1061242432500361
1118571851617812
126a5123a893949
1328231a1173478
14111a21450c3d7
157130c9abb076
hex37b31d6f3289

61242432500361 has 32 divisors (see below), whose sum is σ = 98811801158400. Its totient is φ = 32936946057216.

The previous prime is 61242432500321. The next prime is 61242432500407. The reversal of 61242432500361 is 16300523424216.

It is not a de Polignac number, because 61242432500361 - 26 = 61242432500297 is a prime.

It is a super-2 number, since 2×612424325003612 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61242432500321) 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, 128953065 + ... + 129427113.

It is an arithmetic number, because the mean of its divisors is an integer number (3087868786200).

Almost surely, 261242432500361 is an apocalyptic number.

It is an amenable number.

61242432500361 is a deficient number, since it is larger than the sum of its proper divisors (37569368658039).

61242432500361 is a wasteful number, since it uses less digits than its factorization.

61242432500361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835953.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 61242432500361 its reverse (16300523424216), we get a palindrome (77542955924577).

The spelling of 61242432500361 in words is "sixty-one trillion, two hundred forty-two billion, four hundred thirty-two million, five hundred thousand, three hundred sixty-one".

Divisors: 1 3 7 17 21 51 119 357 361877 474049 1085631 1422147 2533139 3318343 6151909 7599417 8058833 9955029 18455727 24176499 43063363 56411831 129190089 169235493 171547429973 514642289919 1200832009811 2916306309541 3602496029433 8748918928623 20414144166787 61242432500361