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1942463687789 = 15759392083243
BaseRepresentation
bin11100010001000011110…
…110111010110001101101
320212200211122010100111202
4130101003312322301231
5223311131201002124
64044204442055245
7260224026630422
oct34210366726155
96780748110452
101942463687789
11689881125939
122745671aa525
13111234361511
146a0312b7d49
15357dbbd15ae
hex1c443dbac6d

1942463687789 has 8 divisors (see below), whose sum is σ = 1955166158880. Its totient is φ = 1929765395376.

The previous prime is 1942463687779. The next prime is 1942463687821. The reversal of 1942463687789 is 9877863642491.

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-1942463687789 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 (1942463687779) 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, 109199 + ... + 1974044.

It is an arithmetic number, because the mean of its divisors is an integer number (244395769860).

Almost surely, 21942463687789 is an apocalyptic number.

It is an amenable number.

1942463687789 is a deficient number, since it is larger than the sum of its proper divisors (12702471091).

1942463687789 is a wasteful number, since it uses less digits than its factorization.

1942463687789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089339.

The product of its digits is 877879296, while the sum is 74.

The spelling of 1942463687789 in words is "one trillion, nine hundred forty-two billion, four hundred sixty-three million, six hundred eighty-seven thousand, seven hundred eighty-nine".

Divisors: 1 157 5939 932423 2083243 327069151 12372380177 1942463687789