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2100231194 = 21050115597
BaseRepresentation
bin111110100101110…
…1111110000011010
312102100221210120112
41331023233300122
513300124344234
6544223124322
7103021446005
oct17513576032
95370853515
102100231194
11988586866
124a74436a2
1327616c169
1415cd0a53c
15c45b0ace
hex7d2efc1a

2100231194 has 4 divisors (see below), whose sum is σ = 3150346794. Its totient is φ = 1050115596.

The previous prime is 2100231193. The next prime is 2100231239. The reversal of 2100231194 is 4911320012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1769464225 + 330766969 = 42065^2 + 18187^2 .

It is not an unprimeable number, because it can be changed into a prime (2100231193) 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 as a sum of consecutive naturals, namely, 525057797 + ... + 525057800.

Almost surely, 22100231194 is an apocalyptic number.

2100231194 is a deficient number, since it is larger than the sum of its proper divisors (1050115600).

2100231194 is a wasteful number, since it uses less digits than its factorization.

2100231194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050115599.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2100231194 is about 45828.2794134801. The cubic root of 2100231194 is about 1280.6261572661.

The spelling of 2100231194 in words is "two billion, one hundred million, two hundred thirty-one thousand, one hundred ninety-four".

Divisors: 1 2 1050115597 2100231194