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3102121143 = 32111031092791
BaseRepresentation
bin1011100011100110…
…1001110010110111
322000012012002012200
42320321221302313
522323120334033
61231453115543
7136605410652
oct27071516267
98005162180
103102121143
111352080590
12726a88bb3
133a58bb654
14215dca899
15132517013
hexb8e69cb7

3102121143 has 48 divisors (see below), whose sum is σ = 4982714880. Its totient is φ = 1844078400.

The previous prime is 3102121129. The next prime is 3102121151. The reversal of 3102121143 is 3411212013.

3102121143 is a `hidden beast` number, since 310 + 212 + 1 + 143 = 666.

It is a de Polignac number, because none of the positive numbers 2k-3102121143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102121153) 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 47 ways as a sum of consecutive naturals, for example, 1110078 + ... + 1112868.

It is an arithmetic number, because the mean of its divisors is an integer number (103806560).

Almost surely, 23102121143 is an apocalyptic number.

3102121143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3102121143 is a deficient number, since it is larger than the sum of its proper divisors (1880593737).

3102121143 is a wasteful number, since it uses less digits than its factorization.

3102121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3102121143 is about 55696.6887974501. The cubic root of 3102121143 is about 1458.4322232355.

Adding to 3102121143 its reverse (3411212013), we get a palindrome (6513333156).

The spelling of 3102121143 in words is "three billion, one hundred two million, one hundred twenty-one thousand, one hundred forty-three".

Divisors: 1 3 9 11 33 99 103 109 309 327 927 981 1133 1199 2791 3399 3597 8373 10197 10791 11227 25119 30701 33681 92103 101043 123497 276309 287473 304219 370491 862419 912657 1111473 2587257 2737971 3162203 3346409 9486609 10039227 28459827 30117681 31334557 94003671 282011013 344680127 1034040381 3102121143