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820111633352 = 23119319450379
BaseRepresentation
bin10111110111100100111…
…01100110101111001000
32220101211222201120101222
423323302131212233020
5101414042034231402
61424430514301212
7113152062602414
oct13736235465710
92811758646358
10820111633352
11296897700590
12112b39887808
135c44a80bc3b
142b99d3c9d44
15164edc5e7a2
hexbef2766bc8

820111633352 has 16 divisors (see below), whose sum is σ = 1677501068400. Its totient is φ = 372778015120.

The previous prime is 820111633343. The next prime is 820111633357. The reversal of 820111633352 is 253336111028.

It is not an unprimeable number, because it can be changed into a prime (820111633357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659725102 + ... + 4659725277.

It is an arithmetic number, because the mean of its divisors is an integer number (104843816775).

Almost surely, 2820111633352 is an apocalyptic number.

It is an amenable number.

820111633352 is an abundant number, since it is smaller than the sum of its proper divisors (857389435048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

820111633352 is a wasteful number, since it uses less digits than its factorization.

820111633352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319450396 (or 9319450392 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 820111633352 in words is "eight hundred twenty billion, one hundred eleven million, six hundred thirty-three thousand, three hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 9319450379 18638900758 37277801516 74555603032 102513954169 205027908338 410055816676 820111633352