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20210102212222 = 213777311623547
BaseRepresentation
bin1001001100001100001111…
…11101101001011001111110
32122120001210202211202002101
410212012013331221121332
510122110242131242342
6110552220501415314
74154063113245436
oct446060775513176
978501722752071
1020210102212222
11649206890585a
122324a2a40a53a
13b37a5c529a80
144dc261cab2c6
15250aa01583b7
hex126187f6967e

20210102212222 has 8 divisors (see below), whose sum is σ = 32647088189016. Its totient is φ = 9327739482552.

The previous prime is 20210102212217. The next prime is 20210102212253. The reversal of 20210102212222 is 22221220101202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20210102212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388655811748 + ... + 388655811799.

It is an arithmetic number, because the mean of its divisors is an integer number (4080886023627).

Almost surely, 220210102212222 is an apocalyptic number.

20210102212222 is a deficient number, since it is larger than the sum of its proper divisors (12436985976794).

20210102212222 is a wasteful number, since it uses less digits than its factorization.

20210102212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777311623562.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20210102212222 its reverse (22221220101202), we get a palindrome (42431322313424).

The spelling of 20210102212222 in words is "twenty trillion, two hundred ten billion, one hundred two million, two hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 13 26 777311623547 1554623247094 10105051106111 20210102212222