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68314911777 = 327329977867
BaseRepresentation
bin111111100111111000…
…101101010000100001
320112022222120002101200
4333213320231100201
52104402104134102
651214453351413
74635623112000
oct774770552041
9215288502350
1068314911777
1126a76a94382
12112a6638569
1365992bc528
143440cd2c37
151b9c70551c
hexfe7e2d421

68314911777 has 96 divisors (see below), whose sum is σ = 120285984000. Its totient is φ = 37297677312.

The previous prime is 68314911703. The next prime is 68314911829. The reversal of 68314911777 is 77711941386.

It is a happy number.

68314911777 is a `hidden beast` number, since 6 + 83 + 1 + 491 + 1 + 7 + 77 = 666.

It is not a de Polignac number, because 68314911777 - 212 = 68314907681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68314911677) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8679798 + ... + 8687664.

It is an arithmetic number, because the mean of its divisors is an integer number (1252979000).

Almost surely, 268314911777 is an apocalyptic number.

It is an amenable number.

68314911777 is a deficient number, since it is larger than the sum of its proper divisors (51971072223).

68314911777 is a wasteful number, since it uses less digits than its factorization.

68314911777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020 (or 8003 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The spelling of 68314911777 in words is "sixty-eight billion, three hundred fourteen million, nine hundred eleven thousand, seven hundred seventy-seven".

Divisors: 1 3 7 9 21 29 49 63 87 97 147 203 261 291 343 441 609 679 873 1029 1421 1827 2037 2813 3087 4263 4753 6111 7867 8439 9947 12789 14259 19691 23601 25317 29841 33271 42777 55069 59073 70803 89523 99813 137837 165207 177219 228143 299439 385483 413511 495621 684429 763099 964859 1156449 1240533 1597001 2053287 2289297 2698381 2894577 3469347 4791003 5341693 6867891 8095143 8683731 11179007 14373009 16025079 22129871 24285429 33537021 37391851 48075237 66389613 78253049 100611063 112175553 154909097 199168839 234759147 261742957 336526659 464727291 704277441 785228871 1084363679 1394181873 2355686613 3253091037 7590545753 9759273111 22771637259 68314911777