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2150752808 = 23268844101
BaseRepresentation
bin1000000000110001…
…1110001000101000
312112220000120012102
42000030132020220
513401043042213
6553230032532
7104204045231
oct20014361050
95486016172
102150752808
11a04053466
12500348748
1328377aac9
141658dc088
15c8c40158
hex8031e228

2150752808 has 8 divisors (see below), whose sum is σ = 4032661530. Its totient is φ = 1075376400.

The previous prime is 2150752763. The next prime is 2150752829. The reversal of 2150752808 is 8082570512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2055534244 + 95218564 = 45338^2 + 9758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×21507528082 = 9251475282239769728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134422043 + ... + 134422058.

Almost surely, 22150752808 is an apocalyptic number.

It is an amenable number.

2150752808 is a deficient number, since it is larger than the sum of its proper divisors (1881908722).

2150752808 is a wasteful number, since it uses less digits than its factorization.

2150752808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268844107 (or 268844103 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 2150752808 is about 46376.2095044431. The cubic root of 2150752808 is about 1290.8135020634.

The spelling of 2150752808 in words is "two billion, one hundred fifty million, seven hundred fifty-two thousand, eight hundred eight".

Divisors: 1 2 4 8 268844101 537688202 1075376404 2150752808