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22102190870 = 2537136143891
BaseRepresentation
bin10100100101011001…
…001010101100010110
32010001100011121222212
4110211121022230112
5330231130101440
614053102353422
71411466344154
oct244531125426
963040147885
1022102190870
119412124151
124349b8b872
132113081a66
1410d95823d4
158955b7465
hex52564ab16

22102190870 has 32 divisors (see below), whose sum is σ = 40890138336. Its totient is φ = 8595417600.

The previous prime is 22102190867. The next prime is 22102190893. The reversal of 22102190870 is 7809120122.

It is a happy number.

It is a super-2 number, since 2×221021908702 (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 15 ways as a sum of consecutive naturals, for example, 481625 + ... + 525515.

It is an arithmetic number, because the mean of its divisors is an integer number (1277816823).

Almost surely, 222102190870 is an apocalyptic number.

22102190870 is a deficient number, since it is larger than the sum of its proper divisors (18787947466).

22102190870 is a wasteful number, since it uses less digits than its factorization.

22102190870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45296.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 22102190870 in words is "twenty-two billion, one hundred two million, one hundred ninety thousand, eight hundred seventy".

Divisors: 1 2 5 10 37 74 185 370 1361 2722 6805 13610 43891 50357 87782 100714 219455 251785 438910 503570 1623967 3247934 8119835 16239670 59735651 119471302 298678255 597356510 2210219087 4420438174 11051095435 22102190870