Search a number
-
+
1394630636207 = 71197257387973
BaseRepresentation
bin10100010010110110011…
…101101011001010101111
311221022210012120212001012
4110102312131223022233
5140322200420324312
62544403502335435
7202521150546134
oct24226635531257
94838705525035
101394630636207
114985066aa856
121a6356b8a57b
13a16893a2433
144b70147a58b
1526426a97322
hex144b676b2af

1394630636207 has 16 divisors (see below), whose sum is σ = 1426986994752. Its totient is φ = 1362681815040.

The previous prime is 1394630636171. The next prime is 1394630636219. The reversal of 1394630636207 is 7026360364931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1394630636207 is a prime.

It is a super-2 number, since 2×13946306362072 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394630636257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3400673 + ... + 3788645.

It is an arithmetic number, because the mean of its divisors is an integer number (89186687172).

Almost surely, 21394630636207 is an apocalyptic number.

1394630636207 is a deficient number, since it is larger than the sum of its proper divisors (32356358545).

1394630636207 is a wasteful number, since it uses less digits than its factorization.

1394630636207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388498.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 1394630636207 in words is "one trillion, three hundred ninety-four billion, six hundred thirty million, six hundred thirty-six thousand, two hundred seven".

Divisors: 1 71 197 257 13987 18247 50629 387973 3594659 27546083 76430681 99709061 5426578351 7079343331 19642685017 1394630636207