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22073955894 = 234953142979
BaseRepresentation
bin10100100011101101…
…011101011000110110
32002222101001010220000
4110203231131120312
5330201413042034
614050213252130
71411004346354
oct244355353066
962871033800
1022073955894
1193a8199861
124340634046
13210a277283
1410d59127d4
15892d8b599
hex523b5d636

22073955894 has 40 divisors (see below), whose sum is σ = 49514259960. Its totient is φ = 7350213024.

The previous prime is 22073955889. The next prime is 22073955901. The reversal of 22073955894 is 49855937022.

22073955894 is a `hidden beast` number, since 2 + 20 + 7 + 39 + 5 + 589 + 4 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22073955894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82897 + ... + 225875.

It is an arithmetic number, because the mean of its divisors is an integer number (1237856499).

Almost surely, 222073955894 is an apocalyptic number.

22073955894 is an abundant number, since it is smaller than the sum of its proper divisors (27440304066).

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

22073955894 is a wasteful number, since it uses less digits than its factorization.

22073955894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143946 (or 143937 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 22073955894 in words is "twenty-two billion, seventy-three million, nine hundred fifty-five thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 953 1906 2859 5718 8577 17154 25731 51462 77193 142979 154386 285958 428937 857874 1286811 2573622 3860433 7720866 11581299 23162598 136258987 272517974 408776961 817553922 1226330883 2452661766 3678992649 7357985298 11036977947 22073955894