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2128157032 = 23436186503
BaseRepresentation
bin111111011011001…
…0001100101101000
312111022111120121211
41332312101211220
513324302011112
6551101442504
7103511015311
oct17666214550
95438446554
102128157032
119a231a971
124b4870434
1327bb99021
141628d9608
15c6c7a0a7
hex7ed91968

2128157032 has 16 divisors (see below), whose sum is σ = 4083092640. Its totient is φ = 1039332336.

The previous prime is 2128157027. The next prime is 2128157051. The reversal of 2128157032 is 2307518212.

It is a junction number, because it is equal to n+sod(n) for n = 2128156985 and 2128157003.

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 3 ways as a sum of consecutive naturals, for example, 3092908 + ... + 3093595.

It is an arithmetic number, because the mean of its divisors is an integer number (255193290).

Almost surely, 22128157032 is an apocalyptic number.

It is an amenable number.

2128157032 is a deficient number, since it is larger than the sum of its proper divisors (1954935608).

2128157032 is a wasteful number, since it uses less digits than its factorization.

2128157032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186552 (or 6186548 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2128157032 is about 46131.9523974436. The cubic root of 2128157032 is about 1286.2771562362.

The spelling of 2128157032 in words is "two billion, one hundred twenty-eight million, one hundred fifty-seven thousand, thirty-two".

Divisors: 1 2 4 8 43 86 172 344 6186503 12373006 24746012 49492024 266019629 532039258 1064078516 2128157032