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10222021109 = 193315632887
BaseRepresentation
bin10011000010100011…
…11010100111110101
3222101101112110211102
421201101322213311
5131413314133414
64410153215445
7511211513546
oct114121724765
928341473742
1010222021109
114376078833
121b93401585
13c6b9b4b01
146cd8384cd
153ec616ede
hex26147a9f5

10222021109 has 16 divisors (see below), whose sum is σ = 10815444480. Its totient is φ = 9634276080.

The previous prime is 10222021099. The next prime is 10222021129. The reversal of 10222021109 is 90112022201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10222021109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222021129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3539264 + ... + 3542150.

It is an arithmetic number, because the mean of its divisors is an integer number (675965280).

Almost surely, 210222021109 is an apocalyptic number.

10222021109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10222021109 is a deficient number, since it is larger than the sum of its proper divisors (593423371).

10222021109 is a wasteful number, since it uses less digits than its factorization.

10222021109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 10222021109 in words is "ten billion, two hundred twenty-two million, twenty-one thousand, one hundred nine".

Divisors: 1 19 331 563 2887 6289 10697 54853 186353 955597 1625381 3540707 18156343 30882239 538001111 10222021109