Search a number
-
+
4857798970989 = 33179918480407
BaseRepresentation
bin100011010110000101101…
…1000011100111001101101
3122012101211100210101111000
41012230023120130321231
51114042233014032424
614155350402550513
71010651533646466
oct106541330347155
918171740711430
104857798970989
1116031a9970788
12665583068439
1329311c500453
1412b193acdd6d
158656867d3c9
hex46b0b61ce6d

4857798970989 has 8 divisors (see below), whose sum is σ = 7196739216320. Its totient is φ = 3238532647308.

The previous prime is 4857798970963. The next prime is 4857798970991. The reversal of 4857798970989 is 9890798977584.

It is not a de Polignac number, because 4857798970989 - 28 = 4857798970733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4857798970899 and 4857798970908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4857798970939) 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, 89959240177 + ... + 89959240230.

It is an arithmetic number, because the mean of its divisors is an integer number (899592402040).

Almost surely, 24857798970989 is an apocalyptic number.

It is an amenable number.

4857798970989 is a deficient number, since it is larger than the sum of its proper divisors (2338940245331).

4857798970989 is a wasteful number, since it uses less digits than its factorization.

4857798970989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179918480416 (or 179918480410 counting only the distinct ones).

The product of its (nonzero) digits is 23044331520, while the sum is 90.

The spelling of 4857798970989 in words is "four trillion, eight hundred fifty-seven billion, seven hundred ninety-eight million, nine hundred seventy thousand, nine hundred eighty-nine".

Divisors: 1 3 9 27 179918480407 539755441221 1619266323663 4857798970989