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97786864745 = 523850320563
BaseRepresentation
bin101101100010010001…
…1010010010001101001
3100100101221020102102022
41123010203102101221
53100231414132440
6112531143514225
710031151431063
oct1330443222151
9310357212368
1097786864745
11385201548a9
1216b50758975
1392b515c45b
144a39164733
152824cc5cb5
hex16c48d2469

97786864745 has 8 divisors (see below), whose sum is σ = 122446161216. Its totient is φ = 74828209456.

The previous prime is 97786864739. The next prime is 97786864757. The reversal of 97786864745 is 54746868779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97786864745 - 230 = 96713122921 is a prime.

It is a super-3 number, since 3×977868647453 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425160167 + ... + 425160396.

It is an arithmetic number, because the mean of its divisors is an integer number (15305770152).

Almost surely, 297786864745 is an apocalyptic number.

It is an amenable number.

97786864745 is a deficient number, since it is larger than the sum of its proper divisors (24659296471).

97786864745 is a wasteful number, since it uses less digits than its factorization.

97786864745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850320591.

The product of its digits is 568995840, while the sum is 71.

The spelling of 97786864745 in words is "ninety-seven billion, seven hundred eighty-six million, eight hundred sixty-four thousand, seven hundred forty-five".

Divisors: 1 5 23 115 850320563 4251602815 19557372949 97786864745