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197698805513 = 1131579761893
BaseRepresentation
bin1011100000011111000…
…1000101111100001001
3200220021222011220002222
42320013301011330021
511214341343234023
6230453243303425
720166106056116
oct2700761057411
9626258156088
10197698805513
1176930904780
1232394b1ab75
1315848649431
1497d662190d
155221418cc8
hex2e07c45f09

197698805513 has 8 divisors (see below), whose sum is σ = 222628567296. Its totient is φ = 173928567600.

The previous prime is 197698805501. The next prime is 197698805519. The reversal of 197698805513 is 315508896791.

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 197698805513 - 216 = 197698739977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197698805519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289880606 + ... + 289881287.

It is an arithmetic number, because the mean of its divisors is an integer number (27828570912).

Almost surely, 2197698805513 is an apocalyptic number.

It is an amenable number.

197698805513 is a deficient number, since it is larger than the sum of its proper divisors (24929761783).

197698805513 is a wasteful number, since it uses less digits than its factorization.

197698805513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579761935.

The product of its (nonzero) digits is 16329600, while the sum is 62.

The spelling of 197698805513 in words is "one hundred ninety-seven billion, six hundred ninety-eight million, eight hundred five thousand, five hundred thirteen".

Divisors: 1 11 31 341 579761893 6377380823 17972618683 197698805513