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5155354120401 = 321669400185781
BaseRepresentation
bin100101100000101001100…
…0011010001000011010001
3200020211212111022010201100
41023001103003101003101
51133431131123323101
614544200442255013
71041314323665642
oct113012303210321
920224774263640
105155354120401
111708412001601
126b31857b7469
132b51bc96bab4
1413b7402596c9
158e1813a6e86
hex4b0530d10d1

5155354120401 has 24 divisors (see below), whose sum is σ = 7453033534440. Its totient is φ = 3433944960000.

The previous prime is 5155354120379. The next prime is 5155354120591. The reversal of 5155354120401 is 1040214535515.

5155354120401 is a `hidden beast` number, since 5 + 1 + 5 + 53 + 541 + 20 + 40 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 673343330625 + 4482010789776 = 820575^2 + 2117076^2 .

It is not a de Polignac number, because 5155354120401 - 25 = 5155354120369 is a prime.

It is a super-2 number, since 2×51553541204012 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5155354160401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60056131 + ... + 60141911.

It is an arithmetic number, because the mean of its divisors is an integer number (310543063935).

Almost surely, 25155354120401 is an apocalyptic number.

It is an amenable number.

5155354120401 is a deficient number, since it is larger than the sum of its proper divisors (2297679414039).

5155354120401 is a wasteful number, since it uses less digits than its factorization.

5155354120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91457 (or 91454 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 5155354120401 its reverse (1040214535515), we get a palindrome (6195568655916).

The spelling of 5155354120401 in words is "five trillion, one hundred fifty-five billion, three hundred fifty-four million, one hundred twenty thousand, four hundred one".

Divisors: 1 3 9 1669 4001 5007 12003 15021 36009 85781 257343 772029 6677669 20033007 60099021 143168489 343209781 429505467 1029629343 1288516401 3088888029 572817124489 1718451373467 5155354120401