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1442101099 = 6721523897
BaseRepresentation
bin101010111110100…
…1011011101101011
310201111120022210211
41111331023131223
510423134213344
6355033121551
750510441245
oct12575133553
93644508724
101442101099
1168003499a
12342b592b7
1319c9cc77a
14d9751095
158690e334
hex55f4b76b

1442101099 has 4 divisors (see below), whose sum is σ = 1463625064. Its totient is φ = 1420577136.

The previous prime is 1442101079. The next prime is 1442101103. The reversal of 1442101099 is 9901012441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442101099 - 213 = 1442092907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442101099.

It is not an unprimeable number, because it can be changed into a prime (1442101039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10761882 + ... + 10762015.

It is an arithmetic number, because the mean of its divisors is an integer number (365906266).

Almost surely, 21442101099 is an apocalyptic number.

1442101099 is a deficient number, since it is larger than the sum of its proper divisors (21523965).

1442101099 is an equidigital number, since it uses as much as digits as its factorization.

1442101099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523964.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1442101099 is about 37975.0062409475. The cubic root of 1442101099 is about 1129.7921927104.

The spelling of 1442101099 in words is "one billion, four hundred forty-two million, one hundred one thousand, ninety-nine".

Divisors: 1 67 21523897 1442101099