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61077685303 = 317989280223
BaseRepresentation
bin111000111000100000…
…111000010000110111
312211122121102220001201
4320320200320100313
52000041341412203
644020402433331
74261363521235
oct707040702067
9184577386051
1061077685303
11239a2840a78
12ba06962847
1359b4ac6cbb
142d55a63955
1518c717be1d
hexe38838437

61077685303 has 16 divisors (see below), whose sum is σ = 64563609600. Its totient is φ = 57703314240.

The previous prime is 61077685297. The next prime is 61077685367. The reversal of 61077685303 is 30358677016.

It is a cyclic number.

It is not a de Polignac number, because 61077685303 - 25 = 61077685271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61077185303) 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, 77850 + ... + 358072.

It is an arithmetic number, because the mean of its divisors is an integer number (4035225600).

Almost surely, 261077685303 is an apocalyptic number.

61077685303 is a deficient number, since it is larger than the sum of its proper divisors (3485924297).

61077685303 is a wasteful number, since it uses less digits than its factorization.

61077685303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280422.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 61077685303 in words is "sixty-one billion, seventy-seven million, six hundred eighty-five thousand, three hundred three".

Divisors: 1 31 79 89 2449 2759 7031 217961 280223 8686913 22137617 24939847 686266127 773135257 1970247913 61077685303