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120722808540 = 223519310425113
BaseRepresentation
bin111000001101110100…
…0111101111011011100
3102112121101021002102010
41300123220331323130
53434220014333130
6131243112431220
711502423640635
oct1603350757334
9375541232363
10120722808540
114721a972954
121b4919a8510
13b4cbb81329
145bb333a88c
1532186810b0
hex1c1ba3dedc

120722808540 has 48 divisors (see below), whose sum is σ = 339775315488. Its totient is φ = 32025944064.

The previous prime is 120722808461. The next prime is 120722808559. The reversal of 120722808540 is 45808227021.

120722808540 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5200977 + ... + 5224136.

It is an arithmetic number, because the mean of its divisors is an integer number (7078652406).

Almost surely, 2120722808540 is an apocalyptic number.

120722808540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120722808540 is an abundant number, since it is smaller than the sum of its proper divisors (219052506948).

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

120722808540 is a wasteful number, since it uses less digits than its factorization.

120722808540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425318 (or 10425316 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 120722808540 in words is "one hundred twenty billion, seven hundred twenty-two million, eight hundred eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 11580 10425113 20850226 31275339 41700452 52125565 62550678 104251130 125101356 156376695 208502260 312753390 625506780 2012046809 4024093618 6036140427 8048187236 10060234045 12072280854 20120468090 24144561708 30180702135 40240936180 60361404270 120722808540