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22105070448 = 2431622328387
BaseRepresentation
bin10100100101100100…
…001001101101110000
32010001112120221000220
4110211210021231300
5330232344223243
614053244213040
71411532666346
oct244544115560
963045527026
1022105070448
11941381066a
12434ab3a180
13211384c656
1410d9ad1996
15895985783
hex525909b70

22105070448 has 40 divisors (see below), whose sum is σ = 57110297088. Its totient is φ = 7367643072.

The previous prime is 22105070417. The next prime is 22105070473. The reversal of 22105070448 is 84407050122.

It is a super-2 number, since 2×221050704482 (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 764511 + ... + 792897.

Almost surely, 222105070448 is an apocalyptic number.

It is an amenable number.

22105070448 is an abundant number, since it is smaller than the sum of its proper divisors (35005226640).

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

22105070448 is a wasteful number, since it uses less digits than its factorization.

22105070448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44621 (or 44615 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The spelling of 22105070448 in words is "twenty-two billion, one hundred five million, seventy thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 16223 28387 32446 48669 56774 64892 85161 97338 113548 129784 170322 194676 227096 259568 340644 389352 454192 681288 778704 1362576 460522301 921044602 1381566903 1842089204 2763133806 3684178408 5526267612 7368356816 11052535224 22105070448