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39325396820 = 22541431111271
BaseRepresentation
bin100100100111111110…
…011110111101010100
310202111122200010220112
4210213332132331110
51121014300144240
630022115422152
72561343233453
oct444776367524
9122448603815
1039325396820
1115750185756
127755bb4958
133929395b98
141c90b64b9a
15105267e665
hex927f9ef54

39325396820 has 48 divisors (see below), whose sum is σ = 84794605056. Its totient is φ = 15310752000.

The previous prime is 39325396819. The next prime is 39325396823. The reversal of 39325396820 is 2869352393.

It is a super-2 number, since 2×393253968202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39325396823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297785 + ... + 409055.

It is an arithmetic number, because the mean of its divisors is an integer number (1766554272).

Almost surely, 239325396820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39325396820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42397302528).

39325396820 is an abundant number, since it is smaller than the sum of its proper divisors (45469208236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39325396820 is a wasteful number, since it uses less digits than its factorization.

39325396820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111752 (or 111750 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 39325396820 in words is "thirty-nine billion, three hundred twenty-five million, three hundred ninety-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 431 820 862 1724 2155 4310 8620 17671 35342 70684 88355 111271 176710 222542 353420 445084 556355 1112710 2225420 4562111 9124222 18248444 22810555 45621110 47957801 91242220 95915602 191831204 239789005 479578010 959156020 1966269841 3932539682 7865079364 9831349205 19662698410 39325396820