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1311504305401 = 25737799135007
BaseRepresentation
bin10011000101011011101…
…111111000110011111001
311122101012222201201102101
4103011123233320303321
5132441430100233101
62442255144503401
7163516204442353
oct23053357706371
94571188651371
101311504305401
11466229a98104
1219221817ab61
139689c653744
14476974120d3
15241addcd401
hex1315bbf8cf9

1311504305401 has 8 divisors (see below), whose sum is σ = 1316652019200. Its totient is φ = 1306356937728.

The previous prime is 1311504305393. The next prime is 1311504305413. The reversal of 1311504305401 is 1045034051131.

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 1311504305401 - 23 = 1311504305393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311504305401.

It is not an unprimeable number, because it can be changed into a prime (1311504305431) 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, 9646840 + ... + 9781846.

It is an arithmetic number, because the mean of its divisors is an integer number (164581502400).

Almost surely, 21311504305401 is an apocalyptic number.

It is an amenable number.

1311504305401 is a deficient number, since it is larger than the sum of its proper divisors (5147713799).

1311504305401 is a wasteful number, since it uses less digits than its factorization.

1311504305401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173063.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1311504305401 its reverse (1045034051131), we get a palindrome (2356538356532).

The spelling of 1311504305401 in words is "one trillion, three hundred eleven billion, five hundred four million, three hundred five thousand, four hundred one".

Divisors: 1 257 37799 135007 9714343 34696799 5103129593 1311504305401