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948839217161 = 11238951418987
BaseRepresentation
bin11011100111010110011…
…10010111100000001001
310100201010020101101011012
431303223032113200021
5111021210314422121
62003520221213305
7125360056162523
oct15635316274011
93321106341135
10948839217161
11336445002590
12133a84401235
136b623bb5a84
1433cd18b4a13
1519a35030c5b
hexdceb397809

948839217161 has 16 divisors (see below), whose sum is σ = 1080224805888. Its totient is φ = 824983434000.

The previous prime is 948839217143. The next prime is 948839217169. The reversal of 948839217161 is 161712938849.

It is not a de Polignac number, because 948839217161 - 222 = 948835022857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 948839217161.

It is not an unprimeable number, because it can be changed into a prime (948839217169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055110 + ... + 2474096.

It is an arithmetic number, because the mean of its divisors is an integer number (67514050368).

Almost surely, 2948839217161 is an apocalyptic number.

It is an amenable number.

948839217161 is a deficient number, since it is larger than the sum of its proper divisors (131385588727).

948839217161 is a wasteful number, since it uses less digits than its factorization.

948839217161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427972.

The product of its digits is 5225472, while the sum is 59.

The spelling of 948839217161 in words is "nine hundred forty-eight billion, eight hundred thirty-nine million, two hundred seventeen thousand, one hundred sixty-one".

Divisors: 1 11 23 253 8951 98461 205873 418987 2264603 4608857 9636701 106003711 3750352637 41253879007 86258110651 948839217161