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22104971448 = 2337131577211
BaseRepresentation
bin10100100101100011…
…110001100010111000
32010001112101220020020
4110211203301202320
5330232333041243
614053242130440
71411532104620
oct244543614270
963045356206
1022104971448
11941375324a
12434aab0a20
132113816581
1410d9aa7880
15895966283
hex5258f18b8

22104971448 has 32 divisors (see below), whose sum is σ = 63157061760. Its totient is φ = 6315706080.

The previous prime is 22104971443. The next prime is 22104971461. The reversal of 22104971448 is 84417940122.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104971443) 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, 65788438 + ... + 65788773.

It is an arithmetic number, because the mean of its divisors is an integer number (1973658180).

Almost surely, 222104971448 is an apocalyptic number.

22104971448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22104971448 is an abundant number, since it is smaller than the sum of its proper divisors (41052090312).

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

22104971448 is a wasteful number, since it uses less digits than its factorization.

22104971448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131577227 (or 131577223 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 22104971448 in words is "twenty-two billion, one hundred four million, nine hundred seventy-one thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 131577211 263154422 394731633 526308844 789463266 921040477 1052617688 1578926532 1842080954 2763121431 3157853064 3684161908 5526242862 7368323816 11052485724 22104971448