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3123431344 = 2411112315803
BaseRepresentation
bin1011101000101011…
…1100011110110000
322001200021202022101
42322022330132300
522344044300334
61233533550144
7140254504555
oct27212743660
98050252271
103123431344
111363106220
12732045354
133aa140237
14218b76a2c
15134326214
hexba2bc7b0

3123431344 has 40 divisors (see below), whose sum is σ = 6608094912. Its totient is φ = 1418387520.

The previous prime is 3123431293. The next prime is 3123431357. The reversal of 3123431344 is 4431343213.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189747 + ... + 205549.

Almost surely, 23123431344 is an apocalyptic number.

It is an amenable number.

3123431344 is an abundant number, since it is smaller than the sum of its proper divisors (3484663568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123431344 is a wasteful number, since it uses less digits than its factorization.

3123431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945 (or 16939 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 3123431344 is about 55887.6671905350. The cubic root of 3123431344 is about 1461.7642000047.

Adding to 3123431344 its reverse (4431343213), we get a palindrome (7554774557).

The spelling of 3123431344 in words is "three billion, one hundred twenty-three million, four hundred thirty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 1123 2246 4492 8984 12353 15803 17968 24706 31606 49412 63212 98824 126424 173833 197648 252848 347666 695332 1390664 2781328 17746769 35493538 70987076 141974152 195214459 283948304 390428918 780857836 1561715672 3123431344