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120081855730 = 25194271147977
BaseRepresentation
bin110111111010101101…
…1111011010011110010
3102110221201012022110011
41233311123323103302
53431411423340410
6131055334525134
711450511634564
oct1576533732362
9373851168404
10120081855730
1146a21093591
121b3332067aa
13b429147305
145b52173334
1531cc27418a
hex1bf56fb4f2

120081855730 has 32 divisors (see below), whose sum is σ = 227578325760. Its totient is φ = 45493741440.

The previous prime is 120081855713. The next prime is 120081855743. The reversal of 120081855730 is 37558180021.

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, 737502 + ... + 885478.

It is an arithmetic number, because the mean of its divisors is an integer number (7111822680).

Almost surely, 2120081855730 is an apocalyptic number.

120081855730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120081855730 is a deficient number, since it is larger than the sum of its proper divisors (107496470030).

120081855730 is a wasteful number, since it uses less digits than its factorization.

120081855730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152274.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 120081855730 in words is "one hundred twenty billion, eighty-one million, eight hundred fifty-five thousand, seven hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 4271 8542 21355 42710 81149 147977 162298 295954 405745 739885 811490 1479770 2811563 5623126 14057815 28115630 632009767 1264019534 3160048835 6320097670 12008185573 24016371146 60040927865 120081855730