Search a number
-
+
21303010223210 = 257130004239751
BaseRepresentation
bin1001101011111111111100…
…10110110110010001101010
32210102112210102002010211102
410311333332112312101222
510243012031104120320
6113150245013201402
74326043311125252
oct465777626662152
983375712063742
1021303010223210
1168736129a2501
1224807bb030262
13bb6b32c31a31
145390dd510962
1526e2181be175
hex135ffe5b646a

21303010223210 has 16 divisors (see below), whose sum is σ = 38885494718592. Its totient is φ = 8401187130000.

The previous prime is 21303010223203. The next prime is 21303010223249. The reversal of 21303010223210 is 1232201030312.

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, 15002119166 + ... + 15002120585.

It is an arithmetic number, because the mean of its divisors is an integer number (2430343419912).

Almost surely, 221303010223210 is an apocalyptic number.

21303010223210 is a deficient number, since it is larger than the sum of its proper divisors (17582484495382).

21303010223210 is a wasteful number, since it uses less digits than its factorization.

21303010223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30004239829.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21303010223210 its reverse (1232201030312), we get a palindrome (22535211253522).

The spelling of 21303010223210 in words is "twenty-one trillion, three hundred three billion, ten million, two hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 71 142 355 710 30004239751 60008479502 150021198755 300042397510 2130301022321 4260602044642 10651505111605 21303010223210