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60661031043 = 3312413138647
BaseRepresentation
bin111000011111101011…
…011110000010000011
312210120120102122212110
4320133223132002003
51443213210443133
643511200230403
74245144153624
oct703753360203
9183516378773
1060661031043
11237a9630508
12b90b30b403
1359496a4112
142d165a5a4b
1518a07c8c63
hexe1fade083

60661031043 has 32 divisors (see below), whose sum is σ = 84114460672. Its totient is φ = 38844748800.

The previous prime is 60661031023. The next prime is 60661031051. The reversal of 60661031043 is 34013016606.

It is a de Polignac number, because none of the positive numbers 2k-60661031043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60661031043.

It is not an unprimeable number, because it can be changed into a prime (60661031023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7010946 + ... + 7019592.

It is an arithmetic number, because the mean of its divisors is an integer number (2628576896).

Almost surely, 260661031043 is an apocalyptic number.

60661031043 is a deficient number, since it is larger than the sum of its proper divisors (23453429629).

60661031043 is a wasteful number, since it uses less digits than its factorization.

60661031043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 60661031043 its reverse (34013016606), we get a palindrome (94674047649).

The spelling of 60661031043 in words is "sixty billion, six hundred sixty-one million, thirty-one thousand, forty-three".

Divisors: 1 3 31 93 241 313 723 939 7471 8647 9703 22413 25941 29109 75433 226299 268057 804171 2083927 2338423 2706511 6251781 7015269 8119533 64601737 83901841 193805211 251705523 652269151 1956807453 20220343681 60661031043