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2196821037 = 3992973751
BaseRepresentation
bin1000001011110000…
…1101010000101101
312200002201001221010
42002330031100231
513444341233122
61001553255433
7105303446025
oct20274152055
95602631833
102196821037
11a28059184
12513864579
1329018a708
1416ba90a85
15cccdee0c
hex82f0d42d

2196821037 has 8 divisors (see below), whose sum is σ = 2929429440. Its totient is φ = 1464380000.

The previous prime is 2196821027. The next prime is 2196821051. The reversal of 2196821037 is 7301286912.

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 2196821037 - 211 = 2196818989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2196820986 and 2196821004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196821027) 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, 7089 + ... + 66662.

It is an arithmetic number, because the mean of its divisors is an integer number (366178680).

Almost surely, 22196821037 is an apocalyptic number.

It is an amenable number.

2196821037 is a deficient number, since it is larger than the sum of its proper divisors (732608403).

2196821037 is an equidigital number, since it uses as much as digits as its factorization.

2196821037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83683.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2196821037 is about 46870.2574880915. The cubic root of 2196821037 is about 1299.9647006194.

The spelling of 2196821037 in words is "two billion, one hundred ninety-six million, eight hundred twenty-one thousand, thirty-seven".

Divisors: 1 3 9929 29787 73751 221253 732273679 2196821037