Search a number
-
+
1031020203210 = 23534367340107
BaseRepresentation
bin11110000000011011001…
…01111100110011001010
310122120020120102000120020
433000031211330303022
5113343012133000320
62105351045041310
7134326433062164
oct17001545746312
93576216360506
101031020203210
11368287031778
1214799a6b6236
13762bcb2287a
1437c8a17b934
151bc44c12940
hexf00d97ccca

1031020203210 has 16 divisors (see below), whose sum is σ = 2474448487776. Its totient is φ = 274938720848.

The previous prime is 1031020203173. The next prime is 1031020203217. The reversal of 1031020203210 is 123020201301.

1031020203210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1031020203210.

It is not an unprimeable number, because it can be changed into a prime (1031020203217) 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, 17183670024 + ... + 17183670083.

It is an arithmetic number, because the mean of its divisors is an integer number (154653030486).

Almost surely, 21031020203210 is an apocalyptic number.

1031020203210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031020203210 is an abundant number, since it is smaller than the sum of its proper divisors (1443428284566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031020203210 is a wasteful number, since it uses less digits than its factorization.

1031020203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34367340117.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1031020203210 its reverse (123020201301), we get a palindrome (1154040404511).

The spelling of 1031020203210 in words is "one trillion, thirty-one billion, twenty million, two hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 34367340107 68734680214 103102020321 171836700535 206204040642 343673401070 515510101605 1031020203210