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1440124103 = 11993113183
BaseRepresentation
bin101010111010110…
…1000110011000111
310201100211212212202
41111311220303013
510422132432403
6354522505115
750454565355
oct12565506307
93640755782
101440124103
11679a04610
1234236519b
1319c489952
14d93987d5
158666d688
hex55d68cc7

1440124103 has 8 divisors (see below), whose sum is σ = 1571321856. Its totient is φ = 1308972600.

The previous prime is 1440124099. The next prime is 1440124117. The reversal of 1440124103 is 3014210441.

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 1440124103 - 22 = 1440124099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440124193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102650 + ... + 115832.

It is an arithmetic number, because the mean of its divisors is an integer number (196415232).

Almost surely, 21440124103 is an apocalyptic number.

1440124103 is a deficient number, since it is larger than the sum of its proper divisors (131197753).

1440124103 is a wasteful number, since it uses less digits than its factorization.

1440124103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23125.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440124103 is about 37948.9670873925. The cubic root of 1440124103 is about 1129.2756741126.

Adding to 1440124103 its reverse (3014210441), we get a palindrome (4454334544).

The spelling of 1440124103 in words is "one billion, four hundred forty million, one hundred twenty-four thousand, one hundred three".

Divisors: 1 11 9931 13183 109241 145013 130920373 1440124103