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60101220221 = 783128380627
BaseRepresentation
bin110111111110010011…
…111101011101111101
312202010120001022210022
4313332103331131331
51441041403021341
643335441421525
74225235641250
oct677623753575
9182116038708
1060101220221
1123541632339
12b79393a8a5
13588a70a203
142ca20c1097
15186b598e4b
hexdfe4fd77d

60101220221 has 16 divisors (see below), whose sum is σ = 69569708544. Its totient is φ = 50854365744.

The previous prime is 60101220217. The next prime is 60101220227. The reversal of 60101220221 is 12202210106.

It is not a de Polignac number, because 60101220221 - 22 = 60101220217 is a prime.

It is a super-2 number, since 2×601012202212 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60101220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60101220227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705110 + ... + 785736.

It is an arithmetic number, because the mean of its divisors is an integer number (4348106784).

Almost surely, 260101220221 is an apocalyptic number.

It is an amenable number.

60101220221 is a deficient number, since it is larger than the sum of its proper divisors (9468488323).

60101220221 is a wasteful number, since it uses less digits than its factorization.

60101220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82000.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 60101220221 its reverse (12202210106), we get a palindrome (72303430327).

The spelling of 60101220221 in words is "sixty billion, one hundred one million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 7 83 581 1283 8981 80627 106489 564389 745423 6692041 46844287 103444441 724111087 8585888603 60101220221