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210120310312230 = 23513764849788357
BaseRepresentation
bin101111110001101001110010…
…011101001100110100100110
31000112222022020200221102020210
4233301221302131030310212
5210020102343414442410
62022515534334040250
762154456111523653
oct5761516235146446
91015868220842223
10210120310312230
1160a5058338967a
121b696882949086
13903234c9a0266
1439c5c3d394c2a
151945aa1332220
hexbf1a7274cd26

210120310312230 has 64 divisors (see below), whose sum is σ = 507978161956800. Its totient is φ = 55622161158144.

The previous prime is 210120310312201. The next prime is 210120310312249. The reversal of 210120310312230 is 32213013021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120310312197 and 210120310312206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266135212 + ... + 266923568.

It is an arithmetic number, because the mean of its divisors is an integer number (7937158780575).

Almost surely, 2210120310312230 is an apocalyptic number.

210120310312230 is an abundant number, since it is smaller than the sum of its proper divisors (297857851644570).

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

210120310312230 is a wasteful number, since it uses less digits than its factorization.

210120310312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853353.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 210120310312230 its reverse (32213013021012), we get a palindrome (242333323333242).

The spelling of 210120310312230 in words is "two hundred ten trillion, one hundred twenty billion, three hundred ten million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 137 274 411 685 822 1370 2055 4110 64849 129698 194547 324245 389094 648490 788357 972735 1576714 1945470 2365071 3941785 4730142 7883570 8884313 11825355 17768626 23650710 26652939 44421565 53305878 88843130 108004909 133264695 216009818 266529390 324014727 540024545 648029454 1080049090 1620073635 3240147270 51124163093 102248326186 153372489279 255620815465 306744978558 511241630930 766862446395 1533724892790 7004010343741 14008020687482 21012031031223 35020051718705 42024062062446 70040103437410 105060155156115 210120310312230