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1407476313257 = 7228724006393
BaseRepresentation
bin10100011110110100001…
…000000010110010101001
311222112221102222212012212
4110132310020002302221
5141030002414011012
62554330302014505
7203454401160500
oct24366410026251
94875842885185
101407476313257
114a29a8760083
121a8940b77435
13a29557c0681
144c19d513837
15269296b3b22
hex147b4202ca9

1407476313257 has 6 divisors (see below), whose sum is σ = 1637268364458. Its totient is φ = 1206408268464.

The previous prime is 1407476313181. The next prime is 1407476313259. The reversal of 1407476313257 is 7523136747041.

It can be written as a sum of positive squares in only one way, i.e., 1321812389401 + 85663923856 = 1149701^2 + 292684^2 .

It is not a de Polignac number, because 1407476313257 - 214 = 1407476296873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1407476313259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14362003148 + ... + 14362003245.

It is an arithmetic number, because the mean of its divisors is an integer number (272878060743).

Almost surely, 21407476313257 is an apocalyptic number.

It is an amenable number.

1407476313257 is a deficient number, since it is larger than the sum of its proper divisors (229792051201).

1407476313257 is an equidigital number, since it uses as much as digits as its factorization.

1407476313257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28724006407 (or 28724006400 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 1407476313257 in words is "one trillion, four hundred seven billion, four hundred seventy-six million, three hundred thirteen thousand, two hundred fifty-seven".

Divisors: 1 7 49 28724006393 201068044751 1407476313257