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1243013102111 = 11971164960733
BaseRepresentation
bin10010000101101001010…
…110101011101000011111
311101211102201110002112102
4102011221112223220133
5130331142323231421
62351010552355315
7155543011016054
oct22055126535037
94354381402472
101243013102111
1143a182544370
12180aa26a5b3b
13902a598b311
144423ad4d02b
1522500ea360b
hex121695aba1f

1243013102111 has 8 divisors (see below), whose sum is σ = 1369993823184. Its totient is φ = 1118362302720.

The previous prime is 1243013102101. The next prime is 1243013102119. The reversal of 1243013102111 is 1112013103421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1243013102111 - 222 = 1243008907807 is a prime.

It is a super-2 number, since 2×12430131021112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243013102119) 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, 582479300 + ... + 582481433.

It is an arithmetic number, because the mean of its divisors is an integer number (171249227898).

Almost surely, 21243013102111 is an apocalyptic number.

1243013102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1243013102111 is a deficient number, since it is larger than the sum of its proper divisors (126980721073).

1243013102111 is a wasteful number, since it uses less digits than its factorization.

1243013102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164960841.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1243013102111 its reverse (1112013103421), we get a palindrome (2355026205532).

It can be divided in two parts, 124301310 and 2111, that added together give a palindrome (124303421).

The spelling of 1243013102111 in words is "one trillion, two hundred forty-three billion, thirteen million, one hundred two thousand, one hundred eleven".

Divisors: 1 11 97 1067 1164960733 12814568063 113001191101 1243013102111