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2102102312 = 2331371072141
BaseRepresentation
bin111110101001011…
…1000100100101000
312102111110212021012
41331102320210220
513301114233222
6544331203052
7103043401112
oct17522704450
95374425235
102102102312
11989644642
124a7ba6488
13276675a2b
1415d2763b2
15c48301e2
hex7d4b8928

2102102312 has 64 divisors (see below), whose sum is σ = 4219568640. Its totient is φ = 979948800.

The previous prime is 2102102311. The next prime is 2102102329. The reversal of 2102102312 is 2132012012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2102102311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980762 + ... + 982902.

It is an arithmetic number, because the mean of its divisors is an integer number (65930760).

Almost surely, 22102102312 is an apocalyptic number.

It is an amenable number.

2102102312 is an abundant number, since it is smaller than the sum of its proper divisors (2117466328).

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

2102102312 is a wasteful number, since it uses less digits than its factorization.

2102102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2102102312 is about 45848.6893160535. The cubic root of 2102102312 is about 1281.0063521406.

Adding to 2102102312 its reverse (2132012012), we get a palindrome (4234114324).

The spelling of 2102102312 in words is "two billion, one hundred two million, one hundred two thousand, three hundred twelve".

Divisors: 1 2 4 8 31 37 62 74 107 124 148 214 248 296 428 856 1147 2141 2294 3317 3959 4282 4588 6634 7918 8564 9176 13268 15836 17128 26536 31672 66371 79217 122729 132742 158434 229087 245458 265484 316868 458174 490916 530968 633736 916348 981832 1832696 2455727 4911454 7101697 8476219 9822908 14203394 16952438 19645816 28406788 33904876 56813576 67809752 262762789 525525578 1051051156 2102102312