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120120012021986 = 21947233928754359
BaseRepresentation
bin11011010011111110011110…
…101001011010000011100010
3120202022100202011120102111122
4123103332132221122003202
5111221021241034200421
61103250212143012242
734205245606430114
oct3323763651320342
9522270664512448
10120120012021986
113530167a29a659
1211580090b9a082
135204364c63032
142193ba7c253b4
15dd48e56d32ab
hex6d3f9ea5a0e2

120120012021986 has 32 divisors (see below), whose sum is σ = 193781382912000. Its totient is φ = 55664526495312.

The previous prime is 120120012021949. The next prime is 120120012022009. The reversal of 120120012021986 is 689120210021021.

It is a super-2 number, since 2×1201200120219862 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10199726 + ... + 18554633.

It is an arithmetic number, because the mean of its divisors is an integer number (6055668216000).

Almost surely, 2120120012021986 is an apocalyptic number.

120120012021986 is a deficient number, since it is larger than the sum of its proper divisors (73661370890014).

120120012021986 is a wasteful number, since it uses less digits than its factorization.

120120012021986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28756766.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 120120012021986 in words is "one hundred twenty trillion, one hundred twenty billion, twelve million, twenty-one thousand, nine hundred eighty-six".

Divisors: 1 2 19 38 47 94 893 1786 2339 4678 44441 88882 109933 219866 2088727 4177454 28754359 57508718 546332821 1092665642 1351454873 2702909746 25677642587 51355285174 67256445701 134512891402 1277872468319 2555744936638 3161052947947 6322105895894 60060006010993 120120012021986