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61202020216 = 2310970185803
BaseRepresentation
bin111000111111111011…
…001011011101111000
312211222021101202111111
4320333323023131320
52000320204121331
644041003410104
74264433405551
oct707773133570
9184867352444
1061202020216
1123a56a436a7
12ba40523934
135a047ab05c
142d6838b328
1518d303bdb1
hexe3fecb778

61202020216 has 16 divisors (see below), whose sum is σ = 115806576600. Its totient is φ = 30320266464.

The previous prime is 61202020193. The next prime is 61202020273.

61202020216 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35092030 + ... + 35093773.

Almost surely, 261202020216 is an apocalyptic number.

It is an amenable number.

61202020216 is a deficient number, since it is larger than the sum of its proper divisors (54604556384).

61202020216 is a wasteful number, since it uses less digits than its factorization.

61202020216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70185918 (or 70185914 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 612020 and 20216, that added together give a palindrome (632236).

The spelling of 61202020216 in words is "sixty-one billion, two hundred two million, twenty thousand, two hundred sixteen".

Divisors: 1 2 4 8 109 218 436 872 70185803 140371606 280743212 561486424 7650252527 15300505054 30601010108 61202020216