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1939798111348 = 2219731359718077
BaseRepresentation
bin11100001110100100111…
…110100011010001110100
320212102221212101001001101
4130032210332203101310
5223240201304030343
64043044141335444
7260101001615506
oct34164476432164
96772855331041
101939798111348
116887335108a9
12273b42567584
13110bcb03b356
1469c5b285d76
15356d2b9ae4d
hex1c3a4fa3474

1939798111348 has 24 divisors (see below), whose sum is σ = 3396804930792. Its totient is φ = 969282551424.

The previous prime is 1939798111343. The next prime is 1939798111357. The reversal of 1939798111348 is 8431118979391.

It can be written as a sum of positive squares in 4 ways, for example, as 182100199824 + 1757697911524 = 426732^2 + 1325782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1939798111348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939798111343) 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, 107298486 + ... + 107316562.

It is an arithmetic number, because the mean of its divisors is an integer number (141533538783).

Almost surely, 21939798111348 is an apocalyptic number.

It is an amenable number.

1939798111348 is a deficient number, since it is larger than the sum of its proper divisors (1457006819444).

1939798111348 is a wasteful number, since it uses less digits than its factorization.

1939798111348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33651 (or 33649 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 64.

The spelling of 1939798111348 in words is "one trillion, nine hundred thirty-nine billion, seven hundred ninety-eight million, one hundred eleven thousand, three hundred forty-eight".

Divisors: 1 2 4 1973 3946 7892 13597 18077 27194 36154 54388 72308 26826881 35665921 53653762 71331842 107307524 142663684 245792969 491585938 983171876 484949527837 969899055674 1939798111348