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2010121312 = 252917912101
BaseRepresentation
bin111011111010000…
…0000010001100000
312012002101202001111
41313310000101200
513104042340222
6531243513104
7100545514663
oct16764002140
95162352044
102010121312
1194172a991
12481228794
132605ac1c4
14150d716da
15bb711777
hex77d00460

2010121312 has 48 divisors (see below), whose sum is σ = 4117100400. Its totient is φ = 964902400.

The previous prime is 2010121279. The next prime is 2010121319. The reversal of 2010121312 is 2131210102.

It is a junction number, because it is equal to n+sod(n) for n = 2010121292 and 2010121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010121319) 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, 160062 + ... + 172162.

It is an arithmetic number, because the mean of its divisors is an integer number (85772925).

Almost surely, 22010121312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010121312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058550200).

2010121312 is an abundant number, since it is smaller than the sum of its proper divisors (2106979088).

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

2010121312 is a wasteful number, since it uses less digits than its factorization.

2010121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319 (or 12311 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2010121312 is about 44834.3764537882. The cubic root of 2010121312 is about 1262.0428170721.

Adding to 2010121312 its reverse (2131210102), we get a palindrome (4141331414).

The spelling of 2010121312 in words is "two billion, ten million, one hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 32 58 116 179 232 358 464 716 928 1432 2864 5191 5728 10382 12101 20764 24202 41528 48404 83056 96808 166112 193616 350929 387232 701858 1403716 2166079 2807432 4332158 5614864 8664316 11229728 17328632 34657264 62816291 69314528 125632582 251265164 502530328 1005060656 2010121312