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2061207078 = 237151325009
BaseRepresentation
bin111101011011011…
…1000011000100110
312022122112011112220
41322312320120212
513210132111303
6540310453210
7102035654040
oct17266703046
95278464486
102061207078
11968552427
12496364206
1326b057878
14157a6ca90
15c0e53053
hex7adb8626

2061207078 has 32 divisors (see below), whose sum is σ = 4742545920. Its totient is φ = 585014400.

The previous prime is 2061207061. The next prime is 2061207101. The reversal of 2061207078 is 8707021602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156163 + ... + 168846.

It is an arithmetic number, because the mean of its divisors is an integer number (148204560).

Almost surely, 22061207078 is an apocalyptic number.

2061207078 is an abundant number, since it is smaller than the sum of its proper divisors (2681338842).

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

2061207078 is a wasteful number, since it uses less digits than its factorization.

2061207078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325172.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 2061207078 is about 45400.5184772157. The cubic root of 2061207078 is about 1272.6448030697.

The spelling of 2061207078 in words is "two billion, sixty-one million, two hundred seven thousand, seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 151 302 453 906 1057 2114 3171 6342 325009 650018 975027 1950054 2275063 4550126 6825189 13650378 49076359 98152718 147229077 294458154 343534513 687069026 1030603539 2061207078