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211222000002 = 23132707974359
BaseRepresentation
bin1100010010110111001…
…1111111000110000010
3202012012102110100111010
43010231303333012002
511430040313000002
6241011204301350
721155164243116
oct3045563770602
9665172410433
10211222000002
1181640348972
1234b299a1856
1316bc2234670
14a31a65d746
15576376646c
hex312dcff182

211222000002 has 16 divisors (see below), whose sum is σ = 454939692480. Its totient is φ = 64991384592.

The previous prime is 211222000001. The next prime is 211222000009. The reversal of 211222000002 is 200000222112.

It is a super-2 number, since 2×2112220000022 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222000001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353987102 + ... + 1353987257.

It is an arithmetic number, because the mean of its divisors is an integer number (28433730780).

Almost surely, 2211222000002 is an apocalyptic number.

211222000002 is an abundant number, since it is smaller than the sum of its proper divisors (243717692478).

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

211222000002 is a wasteful number, since it uses less digits than its factorization.

211222000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707974377.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 211222000002 its reverse (200000222112), we get a palindrome (411222222114).

The spelling of 211222000002 in words is "two hundred eleven billion, two hundred twenty-two million, two", and thus it is an aban number.

Divisors: 1 2 3 6 13 26 39 78 2707974359 5415948718 8123923077 16247846154 35203666667 70407333334 105611000001 211222000002