Search a number
-
+
20276100352 = 281311573851
BaseRepresentation
bin10010111000100011…
…001011110100000000
31221100002001121201201
4102320203023310000
5313011140202402
613151551110544
71315314003124
oct227043136400
957302047651
1020276100352
11866536a332
123b1a512454
131bb1958321
14da4c37584
157da108687
hex4b88cbd00

20276100352 has 72 divisors (see below), whose sum is σ = 41052366432. Its totient is φ = 9993984000.

The previous prime is 20276100337. The next prime is 20276100359. The reversal of 20276100352 is 25300167202.

It is a super-2 number, since 2×202761003522 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20276100352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20276100359) 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, 5263227 + ... + 5267077.

It is an arithmetic number, because the mean of its divisors is an integer number (570171756).

Almost surely, 220276100352 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 20276100352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20526183216).

20276100352 is an abundant number, since it is smaller than the sum of its proper divisors (20776266080).

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

20276100352 is a wasteful number, since it uses less digits than its factorization.

20276100352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4141 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 20276100352 its reverse (25300167202), we get a palindrome (45576267554).

The spelling of 20276100352 in words is "twenty billion, two hundred seventy-six million, one hundred thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 131 157 256 262 314 524 628 1048 1256 2096 2512 3851 4192 5024 7702 8384 10048 15404 16768 20096 20567 30808 33536 40192 41134 61616 82268 123232 164536 246464 329072 492928 504481 604607 658144 985856 1008962 1209214 1316288 2017924 2418428 2632576 4035848 4836856 5265152 8071696 9673712 16143392 19347424 32286784 38694848 64573568 77389696 79203517 129147136 154779392 158407034 316814068 633628136 1267256272 2534512544 5069025088 10138050176 20276100352