Search a number
-
+
1031003001100 = 225279130506709
BaseRepresentation
bin11110000000011001001…
…00010101000100001100
310122120012101001001201001
433000030210111010030
5113342443232013400
62105345232230044
7134326133625232
oct17001444250414
93576171031631
101031003001100
11368278352556
1214799499b324
13762b93abac7
1437c87b80952
151bc43465a6a
hexf00c91510c

1031003001100 has 36 divisors (see below), whose sum is σ = 2265596485600. Its totient is φ = 407180928960.

The previous prime is 1031003001079. The next prime is 1031003001157. The reversal of 1031003001100 is 11003001301.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65245455 + ... + 65261254.

Almost surely, 21031003001100 is an apocalyptic number.

1031003001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031003001100 is an abundant number, since it is smaller than the sum of its proper divisors (1234593484500).

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

1031003001100 is a wasteful number, since it uses less digits than its factorization.

1031003001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130506802 (or 130506795 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 1031003001100 its reverse (11003001301), we get a palindrome (1042006002401).

The spelling of 1031003001100 in words is "one trillion, thirty-one billion, three million, one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 158 316 395 790 1580 1975 3950 7900 130506709 261013418 522026836 652533545 1305067090 2610134180 3262667725 6525335450 10310030011 13050670900 20620060022 41240120044 51550150055 103100300110 206200600220 257750750275 515501500550 1031003001100