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4123189090 = 251492767241
BaseRepresentation
bin1111010111000010…
…1101111101100010
3101122100111201010001
43311300231331202
531421014022330
61521050130214
7204114346306
oct36560557542
911570451101
104123189090
111826483a99
12970a2096a
135092c4077
142b185dd06
15191eaa9ca
hexf5c2df62

4123189090 has 16 divisors (see below), whose sum is σ = 7471553400. Its totient is φ = 1638206080.

The previous prime is 4123189079. The next prime is 4123189111. The reversal of 4123189090 is 909813214.

It can be written as a sum of positive squares in 4 ways, for example, as 2506103721 + 1617085369 = 50061^2 + 40213^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1382131 + ... + 1385110.

Almost surely, 24123189090 is an apocalyptic number.

4123189090 is a deficient number, since it is larger than the sum of its proper divisors (3348364310).

4123189090 is a wasteful number, since it uses less digits than its factorization.

4123189090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767397.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4123189090 is about 64212.0634304801. The cubic root of 4123189090 is about 1603.5324415150.

It can be divided in two parts, 41231 and 89090, that added together give a 4-th power (130321 = 194).

The spelling of 4123189090 in words is "four billion, one hundred twenty-three million, one hundred eighty-nine thousand, ninety".

Divisors: 1 2 5 10 149 298 745 1490 2767241 5534482 13836205 27672410 412318909 824637818 2061594545 4123189090