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1111912103001 = 3752948195381
BaseRepresentation
bin10000001011100011001…
…000000011110001011001
310221022001001210022001210
4100023203020003301121
5121204143444244001
62210445543133333
7143222134634550
oct20134310036131
93838031708053
101111912103001
11399617438317
1215b5b5144249
1380b1197612b
143bb61564d97
151ddcb65cdd6
hex102e3203c59

1111912103001 has 8 divisors (see below), whose sum is σ = 1694342252224. Its totient is φ = 635378344560.

The previous prime is 1111912102997. The next prime is 1111912103059. The reversal of 1111912103001 is 1003012191111.

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

It is not a de Polignac number, because 1111912103001 - 22 = 1111912102997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 52948195381 = 1111912103001 / (1 + 1 + 1 + 1 + 9 + 1 + 2 + 1 + 0 + 3 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111912113001) 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, 26474097670 + ... + 26474097711.

It is an arithmetic number, because the mean of its divisors is an integer number (211792781528).

Almost surely, 21111912103001 is an apocalyptic number.

It is an amenable number.

1111912103001 is a deficient number, since it is larger than the sum of its proper divisors (582430149223).

1111912103001 is an equidigital number, since it uses as much as digits as its factorization.

1111912103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52948195391.

The product of its (nonzero) digits is 54, while the sum is 21.

Adding to 1111912103001 its reverse (1003012191111), we get a palindrome (2114924294112).

The spelling of 1111912103001 in words is "one trillion, one hundred eleven billion, nine hundred twelve million, one hundred three thousand, one".

Divisors: 1 3 7 21 52948195381 158844586143 370637367667 1111912103001