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210112001221110 = 23573564716989827
BaseRepresentation
bin101111110001100010000011…
…001100100010000111110110
31000112221111210121220212001020
4233301202003030202013312
5210014433334303033420
62022512042033242010
762154043155441342
oct5761420314420766
91015844717825036
10210112001221110
1160a47aaa09851a
121b695144103306
1390316273c83b1
1439c5691a2c622
151945766b2e340
hexbf18833221f6

210112001221110 has 64 divisors (see below), whose sum is σ = 511267146642432. Its totient is φ = 55252545175296.

The previous prime is 210112001221103. The next prime is 210112001221117. The reversal of 210112001221110 is 11122100211012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210112001221103) and next prime (210112001221117).

It is a super-2 number, since 2×2101120012211102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210112001221110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112001221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3872017 + ... + 20861843.

It is an arithmetic number, because the mean of its divisors is an integer number (7988549166288).

Almost surely, 2210112001221110 is an apocalyptic number.

210112001221110 is an abundant number, since it is smaller than the sum of its proper divisors (301155145421322).

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

210112001221110 is a wasteful number, since it uses less digits than its factorization.

210112001221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16995557.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210112001221110 its reverse (11122100211012), we get a palindrome (221234101432122).

The spelling of 210112001221110 in words is "two hundred ten trillion, one hundred twelve billion, one million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 5647 11294 16941 28235 33882 56470 84705 169410 412231 824462 1236693 2061155 2473386 4122310 6183465 12366930 16989827 33979654 50969481 84949135 101938962 169898270 254847405 509694810 1240257371 2480514742 3720772113 6201286855 7441544226 12402573710 18603860565 37207721130 95941553069 191883106138 287824659207 479707765345 575649318414 959415530690 1439123296035 2878246592070 7003733374037 14007466748074 21011200122111 35018666870185 42022400244222 70037333740370 105056000610555 210112001221110