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233155425223 = 7233739139739
BaseRepresentation
bin1101100100100100100…
…1010111001111000111
3211021211000001210112101
43121021021113033013
512310000242101343
6255035441532531
722562544262210
oct3311111271707
9737730053471
10233155425223
118a976182976
123922b344147
1318ca9346b96
14b3db630407
1560e90e3e4d
hex36492573c7

233155425223 has 16 divisors (see below), whose sum is σ = 285563543040. Its totient is φ = 185992034976.

The previous prime is 233155425193. The next prime is 233155425311. The reversal of 233155425223 is 322524551332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-233155425223 is a prime.

It is a super-2 number, since 2×2331554252232 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233155422223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19563913 + ... + 19575826.

It is an arithmetic number, because the mean of its divisors is an integer number (17847721440).

Almost surely, 2233155425223 is an apocalyptic number.

233155425223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

233155425223 is a deficient number, since it is larger than the sum of its proper divisors (52408117817).

233155425223 is a wasteful number, since it uses less digits than its factorization.

233155425223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39139806.

The product of its digits is 216000, while the sum is 37.

Adding to 233155425223 its reverse (322524551332), we get a palindrome (555679976555).

It can be divided in two parts, 233155 and 425223, that added together give a triangular number (658378 = T1147).

The spelling of 233155425223 in words is "two hundred thirty-three billion, one hundred fifty-five million, four hundred twenty-five thousand, two hundred twenty-three".

Divisors: 1 7 23 37 161 259 851 5957 39139739 273978173 900213997 1448170343 6301497979 10137192401 33307917889 233155425223