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2101201238 = 23947266177
BaseRepresentation
bin111110100111101…
…1100100101010110
312102102210002020002
41331033130211112
513300401414423
6544300011302
7103032626063
oct17517344526
95372702202
102101201238
11989089654
124a7830b32
1327641b856
1415d0bdc6a
15c4703228
hex7d3dc956

2101201238 has 8 divisors (see below), whose sum is σ = 3152612232. Its totient is φ = 1050330496.

The previous prime is 2101201237. The next prime is 2101201283. The reversal of 2101201238 is 8321021012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101201237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125195 + ... + 140982.

It is an arithmetic number, because the mean of its divisors is an integer number (394076529).

Almost surely, 22101201238 is an apocalyptic number.

2101201238 is a deficient number, since it is larger than the sum of its proper divisors (1051410994).

2101201238 is a wasteful number, since it uses less digits than its factorization.

2101201238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270126.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2101201238 is about 45838.8616568955. The cubic root of 2101201238 is about 1280.8232899304.

The spelling of 2101201238 in words is "two billion, one hundred one million, two hundred one thousand, two hundred thirty-eight".

Divisors: 1 2 3947 7894 266177 532354 1050600619 2101201238