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6936475770961 = 1122394292
BaseRepresentation
bin110010011110000011000…
…1011001010000001010001
3220120010020220220210020121
41210330012023022001101
51402121400244132321
622430323432510241
71314100223141242
oct144740613120121
926503226823217
106936475770961
112234819814900
1294040384b381
133b41509ca819
1419da276b8cc9
15c06788a5441
hex64f062ca051

6936475770961 has 9 divisors (see below), whose sum is σ = 7624422567643. Its totient is φ = 6305860727320.

The previous prime is 6936475770953. The next prime is 6936475771009. The reversal of 6936475770961 is 1690775746396.

The square root of 6936475770961 is 2633719.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 393418727361 + 6543057043600 = 627231^2 + 2557940^2 .

It is not a de Polignac number, because 6936475770961 - 23 = 6936475770953 is a prime.

It is a super-2 number, since 2×69364757709612 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6936475770941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28851195 + ... + 29090623.

Almost surely, 26936475770961 is an apocalyptic number.

6936475770961 is the 2633719-th square number.

6936475770961 is the 1316860-th centered octagonal number.

It is an amenable number.

6936475770961 is a deficient number, since it is larger than the sum of its proper divisors (687946796682).

6936475770961 is an frugal number, since it uses more digits than its factorization.

6936475770961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478880 (or 239440 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 70.

The spelling of 6936475770961 in words is "six trillion, nine hundred thirty-six billion, four hundred seventy-five million, seven hundred seventy thousand, nine hundred sixty-one".

Divisors: 1 11 121 239429 2633719 28970909 57326246041 630588706451 6936475770961