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70917117092 = 2231721558913
BaseRepresentation
bin100001000001011111…
…1010101010010100100
320210001100001211000022
41002002333111102210
52130214240221332
652325011534312
75060251356263
oct1020277252244
9223040054008
1070917117092
1128091955788
12118b1bba398
1368c24551a3
14360a74a5da
151ca0dbe212
hex1082fd54a4

70917117092 has 12 divisors (see below), whose sum is σ = 124109089356. Its totient is φ = 35457377280.

The previous prime is 70917117059. The next prime is 70917117097. The reversal of 70917117092 is 29071171907.

It can be written as a sum of positive squares in 2 ways, for example, as 2594476096 + 68322640996 = 50936^2 + 261386^2 .

It is not an unprimeable number, because it can be changed into a prime (70917117097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152573 + ... + 406340.

It is an arithmetic number, because the mean of its divisors is an integer number (10342424113).

Almost surely, 270917117092 is an apocalyptic number.

It is an amenable number.

70917117092 is a deficient number, since it is larger than the sum of its proper divisors (53191972264).

70917117092 is a wasteful number, since it uses less digits than its factorization.

70917117092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590638 (or 590636 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 44.

Adding to 70917117092 its reverse (29071171907), we get a palindrome (99988288999).

The spelling of 70917117092 in words is "seventy billion, nine hundred seventeen million, one hundred seventeen thousand, ninety-two".

Divisors: 1 2 4 31721 63442 126884 558913 1117826 2235652 17729279273 35458558546 70917117092