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13455155451 = 34485051817
BaseRepresentation
bin11001000011111110…
…10110000011111011
31021201201020201100210
430201333112003323
5210024004433301
610103050402203
7654300635313
oct144177260373
937651221323
1013455155451
1157850a2491
122736130363
13136578515a
14918daa443
1553b3acad6
hex321fd60fb

13455155451 has 4 divisors (see below), whose sum is σ = 17940207272. Its totient is φ = 8970103632.

The previous prime is 13455155449. The next prime is 13455155453. The reversal of 13455155451 is 15455155431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13455155449) and next prime (13455155453).

It is not a de Polignac number, because 13455155451 - 21 = 13455155449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13455155453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242525906 + ... + 2242525911.

It is an arithmetic number, because the mean of its divisors is an integer number (4485051818).

Almost surely, 213455155451 is an apocalyptic number.

13455155451 is a deficient number, since it is larger than the sum of its proper divisors (4485051821).

13455155451 is an equidigital number, since it uses as much as digits as its factorization.

13455155451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485051820.

The product of its digits is 150000, while the sum is 39.

The spelling of 13455155451 in words is "thirteen billion, four hundred fifty-five million, one hundred fifty-five thousand, four hundred fifty-one".

Divisors: 1 3 4485051817 13455155451