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97123042141 = 7125122872383
BaseRepresentation
bin101101001110011111…
…1000000001101011101
3100021200200010201222221
41122130333000031131
53042401444322031
6112341231505341
710005541144156
oct1323477001535
9307620121887
1097123042141
113820a475084
12169a6388251
13920a778a08
1449b4d2692d
1527d689ca11
hex169cfc035d

97123042141 has 16 divisors (see below), whose sum is σ = 98968117248. Its totient is φ = 95291910000.

The previous prime is 97123042111. The next prime is 97123042153. The reversal of 97123042141 is 14124032179.

It is a cyclic number.

It is not a de Polignac number, because 97123042141 - 27 = 97123042013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97123042097 and 97123042106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97123042111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40755436 + ... + 40757818.

It is an arithmetic number, because the mean of its divisors is an integer number (6185507328).

Almost surely, 297123042141 is an apocalyptic number.

It is an amenable number.

97123042141 is a deficient number, since it is larger than the sum of its proper divisors (1845075107).

97123042141 is a wasteful number, since it uses less digits than its factorization.

97123042141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 97123042141 in words is "ninety-seven billion, one hundred twenty-three million, forty-two thousand, one hundred forty-one".

Divisors: 1 71 251 2287 2383 17821 162377 169193 574037 598133 5449921 40756627 42467443 386944391 1367930171 97123042141