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97112121161575 = 52131571541935099
BaseRepresentation
bin10110000101001010101101…
…011111000011011101100111
3110201211211100200210101212111
4112011022231133003131213
5100212041111004132300
6542312405332501451
726312055615060142
oct2605125537033547
9421754320711774
1097112121161575
1128a41023762703
12aa84b90a7a887
1342258313ccb40
1419da374ad7059
15b361984ba9ba
hex5852ad7c3767

97112121161575 has 48 divisors (see below), whose sum is σ = 129792224016000. Its totient is φ = 71652651235200.

The previous prime is 97112121161567. The next prime is 97112121161593. The reversal of 97112121161575 is 57516112121179.

It is not a de Polignac number, because 97112121161575 - 23 = 97112121161567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2766788376 + ... + 2766823474.

It is an arithmetic number, because the mean of its divisors is an integer number (2704004667000).

Almost surely, 297112121161575 is an apocalyptic number.

97112121161575 is a deficient number, since it is larger than the sum of its proper divisors (32680102854425).

97112121161575 is a wasteful number, since it uses less digits than its factorization.

97112121161575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42112 (or 42107 counting only the distinct ones).

The product of its digits is 264600, while the sum is 49.

The spelling of 97112121161575 in words is "ninety-seven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred sixty-one thousand, five hundred seventy-five".

Divisors: 1 5 13 25 65 325 1571 5419 7855 20423 27095 35099 39275 70447 102115 135475 175495 352235 456287 510575 877475 1761175 2281435 8513249 11407175 42566245 55140529 110672237 190201481 212831225 275702645 553361185 716826877 951007405 1378513225 2472619253 2766805925 3584134385 4755037025 12363096265 17920671925 61815481325 298806526651 1494032633255 3884484846463 7470163166275 19422424232315 97112121161575