Search a number
-
+
1001231311110 = 23533374377037
BaseRepresentation
bin11101001000111100000…
…10010110000100000110
310112201100112100111210020
432210132002112010012
5112401010203423420
62043543113440010
7132223305503232
oct16443602260406
93481315314706
101001231311110
1135668aa78188
12142066410006
13735534039b4
1436661ba75c2
151b09e8d9340
hexe91e096106

1001231311110 has 16 divisors (see below), whose sum is σ = 2402955146736. Its totient is φ = 266995016288.

The previous prime is 1001231311081. The next prime is 1001231311189. The reversal of 1001231311110 is 111131321001.

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 1001231311110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16687188489 + ... + 16687188548.

It is an arithmetic number, because the mean of its divisors is an integer number (150184696671).

Almost surely, 21001231311110 is an apocalyptic number.

1001231311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001231311110 is an abundant number, since it is smaller than the sum of its proper divisors (1401723835626).

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

1001231311110 is a wasteful number, since it uses less digits than its factorization.

1001231311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374377047.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1001231311110 its reverse (111131321001), we get a palindrome (1112362632111).

The spelling of 1001231311110 in words is "one trillion, one billion, two hundred thirty-one million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 33374377037 66748754074 100123131111 166871885185 200246262222 333743770370 500615655555 1001231311110