Search a number
-
+
1031420214442 = 21579631341063
BaseRepresentation
bin11110000001001010110…
…11110111110010101010
310122121021110002200211001
433000211123313302222
5113344322033330232
62105454454425214
7134342361111532
oct17004533676252
93577243080731
101031420214442
11368471905072
12147a9066220a
13763549692c7
1437cc73464c2
151bc69dc96e7
hexf0256f7caa

1031420214442 has 16 divisors (see below), whose sum is σ = 1557150884352. Its totient is φ = 512370621360.

The previous prime is 1031420214403. The next prime is 1031420214443. The reversal of 1031420214442 is 2444120241301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031420214442.

It is not an unprimeable number, because it can be changed into a prime (1031420214443) 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, 2853603 + ... + 3194665.

It is an arithmetic number, because the mean of its divisors is an integer number (97321930272).

Almost surely, 21031420214442 is an apocalyptic number.

1031420214442 is a deficient number, since it is larger than the sum of its proper divisors (525730669910).

1031420214442 is a wasteful number, since it uses less digits than its factorization.

1031420214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350853.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1031420214442 its reverse (2444120241301), we get a palindrome (3475540455743).

The spelling of 1031420214442 in words is "one trillion, thirty-one billion, four hundred twenty million, two hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 157 314 9631 19262 341063 682126 1512067 3024134 53546891 107093782 3284777753 6569555506 515710107221 1031420214442