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155455123441 = 6711320532971
BaseRepresentation
bin1001000011000111011…
…0001110111111110001
3112212020221020111102111
42100301312032333301
510021333002422231
6155225354445321
714142215514142
oct2206166167761
9485227214374
10155455123441
115aa23401132
1226165733841
13118757aca57
14774a085ac9
15409c9874b1
hex2431d8eff1

155455123441 has 8 divisors (see below), whose sum is σ = 159171598944. Its totient is φ = 151779714240.

The previous prime is 155455123423. The next prime is 155455123477. The reversal of 155455123441 is 144321554551.

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 155455123441 - 25 = 155455123409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155455123394 and 155455123403.

It is not an unprimeable number, because it can be changed into a prime (155455120441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10258915 + ... + 10274056.

It is an arithmetic number, because the mean of its divisors is an integer number (19896449868).

Almost surely, 2155455123441 is an apocalyptic number.

It is an amenable number.

155455123441 is a deficient number, since it is larger than the sum of its proper divisors (3716475503).

155455123441 is a wasteful number, since it uses less digits than its factorization.

155455123441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20533151.

The product of its digits is 240000, while the sum is 40.

Adding to 155455123441 its reverse (144321554551), we get a palindrome (299776677992).

The spelling of 155455123441 in words is "one hundred fifty-five billion, four hundred fifty-five million, one hundred twenty-three thousand, four hundred forty-one".

Divisors: 1 67 113 7571 20532971 1375709057 2320225723 155455123441