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3848131990 = 253112413329
BaseRepresentation
bin1110010101011101…
…1101010110010110
3100221011221100201001
43211113131112112
530340110210430
61433502453514
7164234403463
oct34527352626
910834840631
103848131990
1116a519657a
128b489429a
1349431a4a1
1428710066a
15177c773ca
hexe55dd596

3848131990 has 16 divisors (see below), whose sum is σ = 7150078080. Its totient is φ = 1489599360.

The previous prime is 3848131933. The next prime is 3848131993. The reversal of 3848131990 is 991318483.

It is a happy number.

It is a super-2 number, since 2×38481319902 = 29616239624922720200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3848131990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3848131993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6206355 + ... + 6206974.

It is an arithmetic number, because the mean of its divisors is an integer number (446879880).

Almost surely, 23848131990 is an apocalyptic number.

3848131990 is a deficient number, since it is larger than the sum of its proper divisors (3301946090).

3848131990 is a wasteful number, since it uses less digits than its factorization.

3848131990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413367.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 3848131990 is about 62033.3135500595. The cubic root of 3848131990 is about 1567.0516820945.

The spelling of 3848131990 in words is "three billion, eight hundred forty-eight million, one hundred thirty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 12413329 24826658 62066645 124133290 384813199 769626398 1924065995 3848131990