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85697022120 = 23355021142231
BaseRepresentation
bin100111111001111110…
…0001100100010101000
322012012101001210011020
41033303330030202220
52401001414201440
6103211344332440
76122436445353
oct1176374144250
9265171053136
1085697022120
113338680a126
1214737914120
1381094cc518
14420d63b29a
15236870a3d0
hex13f3f0c8a8

85697022120 has 64 divisors (see below), whose sum is σ = 257144077440. Its totient is φ = 22847827200.

The previous prime is 85697022091. The next prime is 85697022127. The reversal of 85697022120 is 2122079658.

It is not an unprimeable number, because it can be changed into a prime (85697022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531405 + ... + 673635.

It is an arithmetic number, because the mean of its divisors is an integer number (4017876210).

Almost surely, 285697022120 is an apocalyptic number.

It is an amenable number.

85697022120 is an abundant number, since it is smaller than the sum of its proper divisors (171447055320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85697022120 is a wasteful number, since it uses less digits than its factorization.

85697022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147266 (or 147262 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 85697022120 in words is "eighty-five billion, six hundred ninety-seven million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5021 10042 15063 20084 25105 30126 40168 50210 60252 75315 100420 120504 142231 150630 200840 284462 301260 426693 568924 602520 711155 853386 1137848 1422310 1706772 2133465 2844620 3413544 4266930 5689240 8533860 17067720 714141851 1428283702 2142425553 2856567404 3570709255 4284851106 5713134808 7141418510 8569702212 10712127765 14282837020 17139404424 21424255530 28565674040 42848511060 85697022120