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97086182861 = 1722911584081
BaseRepresentation
bin101101001101011001…
…0011001010111001101
3100021121002210002120102
41122122302121113031
53042313030322421
6112333433500445
710004612636543
oct1323262312715
9307532702512
1097086182861
11381a068a168
1216995b71725
139202c418a5
1449b008dd93
1527d351b60b
hex169ac995cd

97086182861 has 12 divisors (see below), whose sum is σ = 106689395220. Its totient is φ = 88224353280.

The previous prime is 97086182807. The next prime is 97086182887. The reversal of 97086182861 is 16828168079.

It can be written as a sum of positive squares in 6 ways, for example, as 6969745225 + 90116437636 = 83485^2 + 300194^2 .

It is a de Polignac number, because none of the positive numbers 2k-97086182861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97086182797 and 97086182806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97086172861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5783660 + ... + 5800421.

It is an arithmetic number, because the mean of its divisors is an integer number (8890782935).

Almost surely, 297086182861 is an apocalyptic number.

It is an amenable number.

97086182861 is a deficient number, since it is larger than the sum of its proper divisors (9603212359).

97086182861 is a wasteful number, since it uses less digits than its factorization.

97086182861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584144 (or 11584127 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 97086182861 in words is "ninety-seven billion, eighty-six million, one hundred eighty-two thousand, eight hundred sixty-one".

Divisors: 1 17 29 289 493 8381 11584081 196929377 335938349 3347799409 5710951933 97086182861