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8212108063 = 73831355357
BaseRepresentation
bin1111010010111101…
…01101001100011111
3210012022112022110111
413221132231030133
5113304244424223
63434513550451
7410334524005
oct75136551437
923168468414
108212108063
113534580375
121712275427
13a0b479653
1457c91ca75
15330e4730d
hex1e97ad31f

8212108063 has 8 divisors (see below), whose sum is σ = 8424905328. Its totient is φ = 8002021824.

The previous prime is 8212108013. The next prime is 8212108133. The reversal of 8212108063 is 3608012128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8212108063 - 213 = 8212099871 is a prime.

It is a super-2 number, since 2×82121080632 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212108013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671620 + ... + 683737.

It is an arithmetic number, because the mean of its divisors is an integer number (1053113166).

Almost surely, 28212108063 is an apocalyptic number.

8212108063 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

8212108063 is a deficient number, since it is larger than the sum of its proper divisors (212797265).

8212108063 is a wasteful number, since it uses less digits than its factorization.

8212108063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355513.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8212108063 is about 90620.6823136970. The cubic root of 8212108063 is about 2017.5217183306.

The spelling of 8212108063 in words is "eight billion, two hundred twelve million, one hundred eight thousand, sixty-three".

Divisors: 1 73 83 6059 1355357 98941061 112494631 8212108063