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38304799949 = 1321816072063
BaseRepresentation
bin100011101011001001…
…001101110011001101
310122212112020110012102
4203223021031303031
51111422012044244
625332540444445
72524141266413
oct435311156315
9118775213172
1038304799949
1115277074169
127510249725
1337c5ac6a00
141bd53b52b3
15ee2c8054e
hex8eb24dccd

38304799949 has 24 divisors (see below), whose sum is σ = 41796099072. Its totient is φ = 35087981760.

The previous prime is 38304799903. The next prime is 38304799961. The reversal of 38304799949 is 94999740383.

It is a happy number.

It is not a de Polignac number, because 38304799949 - 232 = 34009832653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38304799249) 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 23 ways as a sum of consecutive naturals, for example, 18566492 + ... + 18568554.

It is an arithmetic number, because the mean of its divisors is an integer number (1741504128).

Almost surely, 238304799949 is an apocalyptic number.

It is an amenable number.

38304799949 is a deficient number, since it is larger than the sum of its proper divisors (3491299123).

38304799949 is a wasteful number, since it uses less digits than its factorization.

38304799949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 65.

The spelling of 38304799949 in words is "thirty-eight billion, three hundred four million, seven hundred ninety-nine thousand, nine hundred forty-nine".

Divisors: 1 13 169 181 607 2063 2353 7891 26819 30589 102583 109867 348647 373403 1252241 1428271 4854239 16279133 18567523 63105107 211628729 226655621 2946523073 38304799949