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2130100112 = 247291374787
BaseRepresentation
bin111111011110110…
…1011111110010000
312111110011022000202
41332331223332100
513330301200422
6551211234332
7103533360260
oct17675537620
95443138022
102130100112
119a3427818
124b54489a8
1327c3c958a
14162c837a0
15c7010b92
hex7ef6bf90

2130100112 has 80 divisors (see below), whose sum is σ = 4915935360. Its totient is φ = 874804224.

The previous prime is 2130100111. The next prime is 2130100121. The reversal of 2130100112 is 2110010312.

It is a junction number, because it is equal to n+sod(n) for n = 2130100093 and 2130100102.

It is not an unprimeable number, because it can be changed into a prime (2130100111) 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, 442583 + ... + 447369.

It is an arithmetic number, because the mean of its divisors is an integer number (61449192).

Almost surely, 22130100112 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 2130100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457967680).

2130100112 is an abundant number, since it is smaller than the sum of its proper divisors (2785835248).

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

2130100112 is a wasteful number, since it uses less digits than its factorization.

2130100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968 (or 4962 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2130100112 is about 46153.0076159723. The cubic root of 2130100112 is about 1286.6685088015.

Adding to 2130100112 its reverse (2110010312), we get a palindrome (4240110424).

The spelling of 2130100112 in words is "two billion, one hundred thirty million, one hundred thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 137 203 232 274 406 464 548 812 959 1096 1624 1918 2192 3248 3836 3973 4787 7672 7946 9574 15344 15892 19148 27811 31784 33509 38296 55622 63568 67018 76592 111244 134036 138823 222488 268072 277646 444976 536144 555292 655819 971761 1110584 1311638 1943522 2221168 2623276 3887044 4590733 5246552 7774088 9181466 10493104 15548176 18362932 19018751 36725864 38037502 73451728 76075004 133131257 152150008 266262514 304300016 532525028 1065050056 2130100112