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4943251641 = 31986723713
BaseRepresentation
bin1001001101010010…
…00000100010111001
3110202111121012110010
410212221000202321
540110433023031
62134303012133
7233332642236
oct44651004271
913674535403
104943251641
112107378139
12b5b59a049
1360a17c993
1434c72c78d
151dde97246
hex126a408b9

4943251641 has 8 divisors (see below), whose sum is σ = 6937897120. Its totient is φ = 3122053632.

The previous prime is 4943251639. The next prime is 4943251669. The reversal of 4943251641 is 1461523494.

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

It is not a de Polignac number, because 4943251641 - 21 = 4943251639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4943251641.

It is not an unprimeable number, because it can be changed into a prime (4943251631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43361800 + ... + 43361913.

It is an arithmetic number, because the mean of its divisors is an integer number (867237140).

Almost surely, 24943251641 is an apocalyptic number.

It is an amenable number.

4943251641 is a deficient number, since it is larger than the sum of its proper divisors (1994645479).

4943251641 is a wasteful number, since it uses less digits than its factorization.

4943251641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86723735.

The product of its digits is 103680, while the sum is 39.

The square root of 4943251641 is about 70308.2615415856. The cubic root of 4943251641 is about 1703.4820947362.

The spelling of 4943251641 in words is "four billion, nine hundred forty-three million, two hundred fifty-one thousand, six hundred forty-one".

Divisors: 1 3 19 57 86723713 260171139 1647750547 4943251641