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3215210452312 = 2310730712234811
BaseRepresentation
bin101110110010011001011…
…110100001010101011000
3102101101000112200222221011
4232302121132201111120
5410134222333433222
610501014114223304
7451201624630105
oct56623136412530
912341015628834
103215210452312
11102a621530921
1243b167584b34
131a4268171b01
14b188d141aac
155897d1edc77
hex2ec997a1558

3215210452312 has 32 divisors (see below), whose sum is σ = 6104681795520. Its totient is φ = 1587393188640.

The previous prime is 3215210452303. The next prime is 3215210452339. The reversal of 3215210452312 is 2132540125123.

It is a happy number.

3215210452312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×32152104523122 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854614 + ... + 6380197.

It is an arithmetic number, because the mean of its divisors is an integer number (190771306110).

Almost surely, 23215210452312 is an apocalyptic number.

It is an amenable number.

3215210452312 is a deficient number, since it is larger than the sum of its proper divisors (2889471343208).

3215210452312 is a wasteful number, since it uses less digits than its factorization.

3215210452312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12235231 (or 12235227 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 3215210452312 its reverse (2132540125123), we get a palindrome (5347750577435).

The spelling of 3215210452312 in words is "three trillion, two hundred fifteen billion, two hundred ten million, four hundred fifty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 107 214 307 428 614 856 1228 2456 32849 65698 131396 262792 12234811 24469622 48939244 97878488 1309124777 2618249554 3756086977 5236499108 7512173954 10472998216 15024347908 30048695816 401901306539 803802613078 1607605226156 3215210452312