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2089150856 = 231320087989
BaseRepresentation
bin111110010000101…
…1110100110001000
312101121002212012122
41330201132212020
513234310311411
6543145430412
7102525326552
oct17441364610
95347085178
102089150856
119822a8a61
124a379b408
13273a8c950
1415b6644d2
15c36229db
hex7c85e988

2089150856 has 16 divisors (see below), whose sum is σ = 4218477900. Its totient is φ = 964223424.

The previous prime is 2089150841. The next prime is 2089150867. The reversal of 2089150856 is 6580519802.

It can be written as a sum of positive squares in 2 ways, for example, as 1986128356 + 103022500 = 44566^2 + 10150^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10043891 + ... + 10044098.

Almost surely, 22089150856 is an apocalyptic number.

2089150856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2089150856 is an abundant number, since it is smaller than the sum of its proper divisors (2129327044).

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

2089150856 is a wasteful number, since it uses less digits than its factorization.

2089150856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20088008 (or 20088004 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 2089150856 is about 45707.2298001093. The cubic root of 2089150856 is about 1278.3700884891.

The spelling of 2089150856 in words is "two billion, eighty-nine million, one hundred fifty thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 20087989 40175978 80351956 160703912 261143857 522287714 1044575428 2089150856