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90434200425455 = 520865786682163
BaseRepresentation
bin10100100011111111011010…
…011001000101001111101111
3102212012102110220210021022102
4110203333122121011033233
543323133220302103310
6520200521555405315
725022440535300105
oct2443773231051757
9385172426707272
1090434200425455
11268a6a24586387
12a1869068b383b
133b5cba6cb83c3
1418490780d7c75
15a6c603a148a5
hex523fda6453ef

90434200425455 has 8 divisors (see below), whose sum is σ = 108521561855472. Its totient is φ = 72347012777088.

The previous prime is 90434200425419. The next prime is 90434200425473. The reversal of 90434200425455 is 55452400243409.

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

It is a cyclic number.

It is not a de Polignac number, because 90434200425455 - 224 = 90434183648239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42297797 + ... + 44384366.

It is an arithmetic number, because the mean of its divisors is an integer number (13565195231934).

Almost surely, 290434200425455 is an apocalyptic number.

90434200425455 is a deficient number, since it is larger than the sum of its proper divisors (18087361430017).

90434200425455 is a wasteful number, since it uses less digits than its factorization.

90434200425455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86890825.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 90434200425455 in words is "ninety trillion, four hundred thirty-four billion, two hundred million, four hundred twenty-five thousand, four hundred fifty-five".

Divisors: 1 5 208657 1043285 86682163 433410815 18086840085091 90434200425455