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2152112512 = 27114793191
BaseRepresentation
bin1000000001000110…
…1010000110000000
312112222120122100211
42000101222012000
513401420100022
6553315123504
7104221440334
oct20021520600
95488518324
102152112512
11a048a1a90
125008a3594
13283b35974
14165b737c4
15c8e0ce77
hex8046a180

2152112512 has 64 divisors (see below), whose sum is σ = 4688409600. Its totient is φ = 975884800.

The previous prime is 2152112491. The next prime is 2152112527.

It is a happy number.

2152112512 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 672837 + ... + 676027.

It is an arithmetic number, because the mean of its divisors is an integer number (73256400).

Almost surely, 22152112512 is an apocalyptic number.

2152112512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152112512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344204800).

2152112512 is an abundant number, since it is smaller than the sum of its proper divisors (2536297088).

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

2152112512 is a wasteful number, since it uses less digits than its factorization.

2152112512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3683 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 2152112512 is about 46390.8666873125. The cubic root of 2152112512 is about 1291.0854618074.

The spelling of 2152112512 in words is "two billion, one hundred fifty-two million, one hundred twelve thousand, five hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 479 704 958 1408 1916 3191 3832 5269 6382 7664 10538 12764 15328 21076 25528 30656 35101 42152 51056 61312 70202 84304 102112 140404 168608 204224 280808 337216 408448 561616 674432 1123232 1528489 2246464 3056978 4492928 6113956 12227912 16813379 24455824 33626758 48911648 67253516 97823296 134507032 195646592 269014064 538028128 1076056256 2152112512