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2130300310100 = 2252137582126713
BaseRepresentation
bin11110111111111111110…
…010110001001001010100
321112122200021212102121012
4132333333302301021110
5234400323334410400
64310351344511352
7306623553603044
oct36777762611124
97478607772535
102130300310100
11751500a96386
122a4a4931b558
13125b6a714b91
147516dbad724
153a6323b1d35
hex1efffcb1254

2130300310100 has 72 divisors (see below), whose sum is σ = 4657468678968. Its totient is φ = 845723289600.

The previous prime is 2130300310087. The next prime is 2130300310123. The reversal of 2130300310100 is 10130030312.

It can be written as a sum of positive squares in 12 ways, for example, as 2868030916 + 2127432279184 = 53554^2 + 1458572^2 .

It is a super-2 number, since 2×21303003101002 (a number of 25 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 23 ways as a sum of consecutive naturals, for example, 79734344 + ... + 79761056.

Almost surely, 22130300310100 is an apocalyptic number.

2130300310100 is a gapful number since it is divisible by the number (20) 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 2130300310100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328734339484).

2130300310100 is an abundant number, since it is smaller than the sum of its proper divisors (2527168368868).

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

2130300310100 is a wasteful number, since it uses less digits than its factorization.

2130300310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32685 (or 32678 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 2130300310100 its reverse (10130030312), we get a palindrome (2140430340412).

The spelling of 2130300310100 in words is "two trillion, one hundred thirty billion, three hundred million, three hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 137 274 548 685 1370 2740 3425 5821 6850 11642 13700 23284 26713 29105 53426 58210 106852 116420 133565 145525 267130 291050 534260 582100 667825 797477 1335650 1594954 2671300 3189908 3659681 3987385 7319362 7974770 14638724 15949540 18298405 19936925 36596810 39873850 73193620 79747700 91492025 155496373 182984050 310992746 365968100 621985492 777481865 1554963730 3109927460 3887409325 7774818650 15549637300 21303003101 42606006202 85212012404 106515015505 213030031010 426060062020 532575077525 1065150155050 2130300310100