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23443385354 = 217367755449
BaseRepresentation
bin10101110101010101…
…011010110000001010
32020111210212100221122
4111311111122300022
5341003001312404
614434133035242
71456643326154
oct256525326012
966453770848
1023443385354
119a401a8444
124663185b22
132297bb116c
1411c5747ad4
159231e33be
hex57555ac0a

23443385354 has 8 divisors (see below), whose sum is σ = 35368344900. Its totient is φ = 11653937056.

The previous prime is 23443385321. The next prime is 23443385359. The reversal of 23443385354 is 45358334432.

It can be written as a sum of positive squares in 2 ways, for example, as 22930136329 + 513249025 = 151427^2 + 22655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×234433853542 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23443385359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33877379 + ... + 33878070.

Almost surely, 223443385354 is an apocalyptic number.

23443385354 is a deficient number, since it is larger than the sum of its proper divisors (11924959546).

23443385354 is a wasteful number, since it uses less digits than its factorization.

23443385354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67755624.

The product of its digits is 2073600, while the sum is 44.

The spelling of 23443385354 in words is "twenty-three billion, four hundred forty-three million, three hundred eighty-five thousand, three hundred fifty-four".

Divisors: 1 2 173 346 67755449 135510898 11721692677 23443385354