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23350240143 = 3331145919121
BaseRepresentation
bin10101101111110010…
…000110001110001111
32020021022121002202000
4111233302012032033
5340310130141033
614421004403343
71454432523606
oct255762061617
966238532660
1023350240143
1199a266902a
124637b46553
1322817ca759
1411b721ca3d
15919e44a13
hex56fc8638f

23350240143 has 32 divisors (see below), whose sum is σ = 35735193600. Its totient is φ = 15053558400.

The previous prime is 23350240103. The next prime is 23350240153. The reversal of 23350240143 is 34104205332.

23350240143 is a `hidden beast` number, since 233 + 50 + 240 + 143 = 666.

It is not a de Polignac number, because 23350240143 - 224 = 23333462927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23350240103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1211623 + ... + 1230743.

It is an arithmetic number, because the mean of its divisors is an integer number (1116724800).

Almost surely, 223350240143 is an apocalyptic number.

23350240143 is a deficient number, since it is larger than the sum of its proper divisors (12384953457).

23350240143 is a wasteful number, since it uses less digits than its factorization.

23350240143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620 (or 20614 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 23350240143 its reverse (34104205332), we get a palindrome (57454445475).

The spelling of 23350240143 in words is "twenty-three billion, three hundred fifty million, two hundred forty thousand, one hundred forty-three".

Divisors: 1 3 9 27 31 93 279 837 1459 4377 13131 19121 39393 45229 57363 135687 172089 407061 516267 592751 1221183 1778253 5334759 16004277 27897539 83692617 251077851 753233553 864823709 2594471127 7783413381 23350240143