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1383900698881 = 1578814654133
BaseRepresentation
bin10100001000110110111…
…010001101100100000001
311220022002102022120011001
4110020312322031210001
5140133212034331011
62535431042452001
7201661230565051
oct24106672154401
94808072276131
101383900698881
114939aa959058
121a4261664001
13a06693c32ac
144ada43c9561
1525ee9aa17c1
hex14236e8d901

1383900698881 has 4 divisors (see below), whose sum is σ = 1392715353172. Its totient is φ = 1375086044592.

The previous prime is 1383900698879. The next prime is 1383900698911. The reversal of 1383900698881 is 1888960093831.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1014733875600 + 369166823281 = 1007340^2 + 607591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383900698881 - 21 = 1383900698879 is a prime.

It is a super-2 number, since 2×13839006988812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383900698801) 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 3 ways as a sum of consecutive naturals, for example, 4407326910 + ... + 4407327223.

It is an arithmetic number, because the mean of its divisors is an integer number (348178838293).

Almost surely, 21383900698881 is an apocalyptic number.

It is an amenable number.

1383900698881 is a deficient number, since it is larger than the sum of its proper divisors (8814654291).

1383900698881 is an equidigital number, since it uses as much as digits as its factorization.

1383900698881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814654290.

The product of its (nonzero) digits is 17915904, while the sum is 64.

The spelling of 1383900698881 in words is "one trillion, three hundred eighty-three billion, nine hundred million, six hundred ninety-eight thousand, eight hundred eighty-one".

Divisors: 1 157 8814654133 1383900698881