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23434655020405 = 541981111644101
BaseRepresentation
bin1010101010000010011100…
…10010011011010101110101
310001222022221101211120222221
411111001032102123111311
511032423133141123110
6121501422031122341
74636045412005636
oct525011622332565
9101868841746887
1023434655020405
117515643900942
1227659626733b1
13100cb560598b5
145b0359aa188d
152a98c860c7da
hex15504e49b575

23434655020405 has 8 divisors (see below), whose sum is σ = 28122256140984. Its totient is φ = 18747277272000.

The previous prime is 23434655020393. The next prime is 23434655020471. The reversal of 23434655020405 is 50402055643432.

It can be written as a sum of positive squares in 4 ways, for example, as 1216611206001 + 22218043814404 = 1103001^2 + 4713602^2 .

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

It is not a de Polignac number, because 23434655020405 - 25 = 23434655020373 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, 55612146 + ... + 56031955.

It is an arithmetic number, because the mean of its divisors is an integer number (3515282017623).

Almost surely, 223434655020405 is an apocalyptic number.

It is an amenable number.

23434655020405 is a deficient number, since it is larger than the sum of its proper divisors (4687601120579).

23434655020405 is a wasteful number, since it uses less digits than its factorization.

23434655020405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111686087.

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 23434655020405 in words is "twenty-three trillion, four hundred thirty-four billion, six hundred fifty-five million, twenty thousand, four hundred five".

Divisors: 1 5 41981 209905 111644101 558220505 4686931004081 23434655020405