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8216925101 = 721122966571
BaseRepresentation
bin1111010011100010…
…00101001110101101
3210012122121001012022
413221301011032231
5113312013100401
63435205115525
7410423465600
oct75161051655
923178531168
108216925101
1135372704a0
1217139b8ba5
13a0c475078
1457d414337
1533159971b
hex1e9c453ad

8216925101 has 24 divisors (see below), whose sum is σ = 10473107040. Its totient is φ = 6374743200.

The previous prime is 8216925097. The next prime is 8216925107. The reversal of 8216925101 is 1015296128.

It is not a de Polignac number, because 8216925101 - 22 = 8216925097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216925107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90146 + ... + 156716.

It is an arithmetic number, because the mean of its divisors is an integer number (436379460).

Almost surely, 28216925101 is an apocalyptic number.

It is an amenable number.

8216925101 is a deficient number, since it is larger than the sum of its proper divisors (2256181939).

8216925101 is a wasteful number, since it uses less digits than its factorization.

8216925101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66825 (or 66818 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 8216925101 is about 90647.2564449691. The cubic root of 8216925101 is about 2017.9161188553.

The spelling of 8216925101 in words is "eight billion, two hundred sixteen million, nine hundred twenty-five thousand, one hundred one".

Divisors: 1 7 11 49 77 229 539 1603 2519 11221 17633 66571 123431 465997 732281 3261979 5125967 15244759 35881769 106713313 167692349 746993191 1173846443 8216925101