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103140421121 = 3472447121469
BaseRepresentation
bin110000000001110100…
…1011110111000000001
3100212020000220021011002
41200003221132320001
53142212421433441
6115214305101345
710310626054133
oct1400351367001
9325200807132
10103140421121
113a818095a61
1217ba5627855
13995931abaa
144dc617b053
152a39cb9b9b
hex1803a5ee01

103140421121 has 8 divisors (see below), whose sum is σ = 103480778880. Its totient is φ = 102800311888.

The previous prime is 103140421079. The next prime is 103140421133. The reversal of 103140421121 is 121124041301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103140421121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103140421093 and 103140421102.

It is not an unprimeable number, because it can be changed into a prime (103140421141) 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, 788375 + ... + 909843.

It is an arithmetic number, because the mean of its divisors is an integer number (12935097360).

Almost surely, 2103140421121 is an apocalyptic number.

It is an amenable number.

103140421121 is a deficient number, since it is larger than the sum of its proper divisors (340357759).

103140421121 is a wasteful number, since it uses less digits than its factorization.

103140421121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124263.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 103140421121 its reverse (121124041301), we get a palindrome (224264462422).

The spelling of 103140421121 in words is "one hundred three billion, one hundred forty million, four hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 347 2447 121469 849109 42149743 297234643 103140421121