Search a number
-
+
1031103210100 = 225226903383267
BaseRepresentation
bin11110000000100101000…
…10100110001001110100
310122120110100121012121111
433000102202212021310
5113343144410210400
62105403212124404
7134331461450605
oct17002242461164
93576410535544
101031103210100
11368319977007
12147a02466704
1376304096782
1437c971c7dac
151bc4c15c3ba
hexf0128a6274

1031103210100 has 36 divisors (see below), whose sum is σ = 2237582973024. Its totient is φ = 412424877280.

The previous prime is 1031103210083. The next prime is 1031103210107. The reversal of 1031103210100 is 10123011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031103210107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2498667 + ... + 2881933.

It is an arithmetic number, because the mean of its divisors is an integer number (62155082584).

Almost surely, 21031103210100 is an apocalyptic number.

1031103210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031103210100 is an abundant number, since it is smaller than the sum of its proper divisors (1206479762924).

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

1031103210100 is a wasteful number, since it uses less digits than its factorization.

1031103210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410184 (or 410177 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1031103210100 its reverse (10123011301), we get a palindrome (1041226221401).

The spelling of 1031103210100 in words is "one trillion, thirty-one billion, one hundred three million, two hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 26903 53806 107612 134515 269030 383267 538060 672575 766534 1345150 1533068 1916335 2690300 3832670 7665340 9581675 19163350 38326700 10311032101 20622064202 41244128404 51555160505 103110321010 206220642020 257775802525 515551605050 1031103210100