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396340931670 = 23513211364389
BaseRepresentation
bin1011100010001111100…
…00101010110001010110
31101220000200101102212120
411301013300222301112
522443201234303140
6502024305400410
740430461222215
oct5610760526126
91356020342776
10396340931670
111430a613a192
1264991939106
132b4b4549358
141527c23907c
15a49a56a1d0
hex5c47c2ac56

396340931670 has 16 divisors (see below), whose sum is σ = 951218236080. Its totient is φ = 105690915104.

The previous prime is 396340931659. The next prime is 396340931677. The reversal of 396340931670 is 76139043693.

It is a super-2 number, since 2×3963409316702 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396340931677) 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, 6605682165 + ... + 6605682224.

It is an arithmetic number, because the mean of its divisors is an integer number (59451139755).

Almost surely, 2396340931670 is an apocalyptic number.

396340931670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

396340931670 is an abundant number, since it is smaller than the sum of its proper divisors (554877304410).

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

396340931670 is a wasteful number, since it uses less digits than its factorization.

396340931670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211364399.

The product of its (nonzero) digits is 2204496, while the sum is 51.

The spelling of 396340931670 in words is "three hundred ninety-six billion, three hundred forty million, nine hundred thirty-one thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 13211364389 26422728778 39634093167 66056821945 79268186334 132113643890 198170465835 396340931670