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2106306203 = 3407618229
BaseRepresentation
bin111110110001011…
…1010111010011011
312102210101102220212
41331202322322123
513303203244303
6545001241335
7103124210261
oct17542727233
95383342825
102106306203
11990a56031
124a949324b
132774b8341
1415da4c431
15c4db0ad8
hex7d8bae9b

2106306203 has 4 divisors (see below), whose sum is σ = 2106927840. Its totient is φ = 2105684568.

The previous prime is 2106306187. The next prime is 2106306211. The reversal of 2106306203 is 3026036012.

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

It is a cyclic number.

It is not a de Polignac number, because 2106306203 - 24 = 2106306187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106308203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305708 + ... + 312521.

It is an arithmetic number, because the mean of its divisors is an integer number (526731960).

Almost surely, 22106306203 is an apocalyptic number.

2106306203 is a deficient number, since it is larger than the sum of its proper divisors (621637).

2106306203 is an equidigital number, since it uses as much as digits as its factorization.

2106306203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621636.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2106306203 is about 45894.5116871288. The cubic root of 2106306203 is about 1281.8597240490.

The spelling of 2106306203 in words is "two billion, one hundred six million, three hundred six thousand, two hundred three".

Divisors: 1 3407 618229 2106306203