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233045533221431 = 7409109774201521
BaseRepresentation
bin110100111111010000100100…
…001110010110001000110111
31010120010221020220101101212012
4310333100210032112020313
5221021204223001041211
62143351350123114435
7100041661364166620
oct6477204416261067
91116127226341765
10233045533221431
116828a068023297
1222179951672a1b
13a00613a7565a8
14417966d298a47
151be20b0c26d8b
hexd3f424396237

233045533221431 has 16 divisors (see below), whose sum is σ = 267232329391680. Its totient is φ = 199083271772160.

The previous prime is 233045533221407. The next prime is 233045533221469. The reversal of 233045533221431 is 134122335540332.

233045533221431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-233045533221431 is a prime.

It is a super-2 number, since 2×2330455332214312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233045533221491) 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, 33960050 + ... + 40241471.

It is an arithmetic number, because the mean of its divisors is an integer number (16702020586980).

Almost surely, 2233045533221431 is an apocalyptic number.

233045533221431 is a deficient number, since it is larger than the sum of its proper divisors (34186796170249).

233045533221431 is a wasteful number, since it uses less digits than its factorization.

233045533221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74203034.

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 233045533221431 its reverse (134122335540332), we get a palindrome (367167868761763).

The spelling of 233045533221431 in words is "two hundred thirty-three trillion, forty-five billion, five hundred thirty-three million, two hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 7 409 1097 2863 7679 448673 3140711 74201521 519410647 30348422089 81399068537 212438954623 569793479759 33292219031633 233045533221431