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4897138185185 = 51019697303337
BaseRepresentation
bin100011101000011010000…
…1011101001001111100001
3122100011100222110112021012
41013100310023221033201
51120213314333411220
614225414134510305
71013543435522201
oct107206413511741
918304328415235
104897138185185
111618956923654
12671121805395
13296a4b6c359c
1412d046610401
15875bc13bac5
hex474342e93e1

4897138185185 has 8 divisors (see below), whose sum is σ = 5934749642856. Its totient is φ = 3878921334400.

The previous prime is 4897138185169. The next prime is 4897138185193. The reversal of 4897138185185 is 5815818317984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1899589601536 + 2997548583649 = 1378256^2 + 1731343^2 .

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

It is not a de Polignac number, because 4897138185185 - 24 = 4897138185169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848651164 + ... + 4848652173.

It is an arithmetic number, because the mean of its divisors is an integer number (741843705357).

Almost surely, 24897138185185 is an apocalyptic number.

It is an amenable number.

4897138185185 is a deficient number, since it is larger than the sum of its proper divisors (1037611457671).

4897138185185 is a wasteful number, since it uses less digits than its factorization.

4897138185185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697303443.

The product of its digits is 77414400, while the sum is 68.

The spelling of 4897138185185 in words is "four trillion, eight hundred ninety-seven billion, one hundred thirty-eight million, one hundred eighty-five thousand, one hundred eighty-five".

Divisors: 1 5 101 505 9697303337 48486516685 979427637037 4897138185185