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3900212011 = 30241128971
BaseRepresentation
bin1110100001111000…
…1000001100101011
3101001210221022001201
43220132020030223
530441423241021
61443003025031
7165436153333
oct35036101453
911053838051
103900212011
111721628013
1290a20b177
134a2053577
1428ddba0c3
1517c613591
hexe878832b

3900212011 has 4 divisors (see below), whose sum is σ = 3900371224. Its totient is φ = 3900052800.

The previous prime is 3900211993. The next prime is 3900212027. The reversal of 3900212011 is 1102120093.

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 3900212011 - 25 = 3900211979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3900212011.

It is not an unprimeable number, because it can be changed into a prime (3900212411) 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, 34245 + ... + 94726.

It is an arithmetic number, because the mean of its divisors is an integer number (975092806).

Almost surely, 23900212011 is an apocalyptic number.

3900212011 is a deficient number, since it is larger than the sum of its proper divisors (159213).

3900212011 is a wasteful number, since it uses less digits than its factorization.

3900212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159212.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 3900212011 is about 62451.6774074164. The cubic root of 3900212011 is about 1574.0894390402.

The spelling of 3900212011 in words is "three billion, nine hundred million, two hundred twelve thousand, eleven".

Divisors: 1 30241 128971 3900212011