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61380818362 = 2677197922907
BaseRepresentation
bin111001001010100101…
…001111010110111010
312212102201211122110001
4321022211033112322
52001201442141422
644110431543214
74302034230133
oct711245172672
9185381748401
1061380818362
1124038965366
12ba9038ab0a
135a32850b86
142d84010c8a
1518e3aa9227
hexe4a94f5ba

61380818362 has 16 divisors (see below), whose sum is σ = 92257846560. Its totient is φ = 30628253968.

The previous prime is 61380818329. The next prime is 61380818377. The reversal of 61380818362 is 26381808316.

It is a super-3 number, since 3×613808183623 (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668113 + ... + 2691019.

It is an arithmetic number, because the mean of its divisors is an integer number (5766115410).

Almost surely, 261380818362 is an apocalyptic number.

61380818362 is a deficient number, since it is larger than the sum of its proper divisors (30877028198).

61380818362 is a wasteful number, since it uses less digits than its factorization.

61380818362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25565.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 61380818362 in words is "sixty-one billion, three hundred eighty million, eight hundred eighteen thousand, three hundred sixty-two".

Divisors: 1 2 677 1354 1979 3958 22907 45814 1339783 2679566 15508039 31016078 45332953 90665906 30690409181 61380818362