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97805697025 = 524149194291
BaseRepresentation
bin101101100010110101…
…1001000000000000001
3100100110020200012110011
41123011223020000001
53100301224301100
6112533055304521
710031500464511
oct1330553100001
9310406605404
1097805697025
113852a847873
1216b56b1b141
1392b902420a
144a3b867841
152826795bba
hex16c5ac8001

97805697025 has 12 divisors (see below), whose sum is σ = 121283273584. Its totient is φ = 78241842000.

The previous prime is 97805697023. The next prime is 97805697089. The reversal of 97805697025 is 52079650879.

It is not a de Polignac number, because 97805697025 - 21 = 97805697023 is a prime.

It is a super-3 number, since 3×978056970253 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97805697023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990130 + ... + 1084420.

Almost surely, 297805697025 is an apocalyptic number.

It is an amenable number.

97805697025 is a deficient number, since it is larger than the sum of its proper divisors (23477576559).

97805697025 is a wasteful number, since it uses less digits than its factorization.

97805697025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135792 (or 135787 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 97805697025 in words is "ninety-seven billion, eight hundred five million, six hundred ninety-seven thousand, twenty-five".

Divisors: 1 5 25 41491 94291 207455 471455 1037275 2357275 3912227881 19561139405 97805697025