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3948382838494 = 2109311199329221
BaseRepresentation
bin111001011101001101111…
…101001101111011011110
3111222110110120220012202201
4321131031331031323132
51004142242001312434
612221510111042114
7555155415242563
oct71351575157336
914873416805681
103948382838494
1112925551a6206
1253928151033a
1322843bcc4813
14d9161d2c86a
156ca8e676614
hex3974df4dede

3948382838494 has 32 divisors (see below), whose sum is σ = 5999342057280. Its totient is φ = 1948744915200.

The previous prime is 3948382838483. The next prime is 3948382838507. The reversal of 3948382838494 is 4948382838493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135106804 + ... + 135136024.

It is an arithmetic number, because the mean of its divisors is an integer number (187479439290).

Almost surely, 23948382838494 is an apocalyptic number.

3948382838494 is a deficient number, since it is larger than the sum of its proper divisors (2050959218786).

3948382838494 is a wasteful number, since it uses less digits than its factorization.

3948382838494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31636.

The product of its digits is 1146617856, while the sum is 73.

Subtracting 3948382838494 from its reverse (4948382838493), we obtain a palindrome (999999999999).

The spelling of 3948382838494 in words is "three trillion, nine hundred forty-eight billion, three hundred eighty-two million, eight hundred thirty-eight thousand, four hundred ninety-four".

Divisors: 1 2 109 218 311 622 1993 3986 29221 33899 58442 67798 217237 434474 619823 1239646 3185089 6370178 9087731 18175462 58237453 67560707 116474906 135121414 990562679 1981125358 6347882377 12695764754 18111847883 36223695766 1974191419247 3948382838494