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396874880873 = 755395253907
BaseRepresentation
bin1011100011001111001…
…01100001011101101001
31101221101220002212110222
411301213211201131221
523000244432141443
6502153302015425
740446633553352
oct5614745413551
91357356085428
10396874880873
1114334a584119
1264b00717575
132b56b059b23
14152cd10ad29
15a4cc38c468
hex5c67961769

396874880873 has 4 divisors (see below), whose sum is σ = 396880210320. Its totient is φ = 396869551428.

The previous prime is 396874880867. The next prime is 396874880879. The reversal of 396874880873 is 378088478693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (396874880867) and next prime (396874880879).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-396874880873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396874880797 and 396874880806.

It is not an unprimeable number, because it can be changed into a prime (396874880879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551415 + ... + 2702492.

It is an arithmetic number, because the mean of its divisors is an integer number (99220052580).

Almost surely, 2396874880873 is an apocalyptic number.

It is an amenable number.

396874880873 is a deficient number, since it is larger than the sum of its proper divisors (5329447).

396874880873 is an equidigital number, since it uses as much as digits as its factorization.

396874880873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329446.

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 396874880873 in words is "three hundred ninety-six billion, eight hundred seventy-four million, eight hundred eighty thousand, eight hundred seventy-three".

Divisors: 1 75539 5253907 396874880873