Search a number
-
+
12552444200420 = 2253741478802679
BaseRepresentation
bin1011011010101001011111…
…1110100100010111100100
31122110000001102022020022022
42312222113332210113210
53121124401203403140
642410302510322312
72433612161152355
oct266522776442744
948400042266268
1012552444200420
113aaa5095672a3
1214a88b81b9398
137008c8aa06c7
14315781db9d2c
1516b7b7ca10b5
hexb6a97fa45e4

12552444200420 has 96 divisors (see below), whose sum is σ = 28322939796480. Its totient is φ = 4664715125760.

The previous prime is 12552444200393. The next prime is 12552444200449. The reversal of 12552444200420 is 2400244425521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2975360 + ... + 5827319.

It is an arithmetic number, because the mean of its divisors is an integer number (295030622880).

Almost surely, 212552444200420 is an apocalyptic number.

12552444200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12552444200420 is an abundant number, since it is smaller than the sum of its proper divisors (15770495596060).

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

12552444200420 is a wasteful number, since it uses less digits than its factorization.

12552444200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802813 (or 8802811 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 12552444200420 its reverse (2400244425521), we get a palindrome (14952688625941).

The spelling of 12552444200420 in words is "twelve trillion, five hundred fifty-two billion, four hundred forty-four million, two hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37 41 47 74 82 94 148 164 185 188 205 235 370 410 470 740 820 940 1517 1739 1927 3034 3478 3854 6068 6956 7585 7708 8695 9635 15170 17390 19270 30340 34780 38540 71299 142598 285196 356495 712990 1425980 8802679 17605358 35210716 44013395 88026790 176053580 325699123 360909839 413725913 651398246 721819678 827451826 1302796492 1443639356 1628495615 1654903652 1804549195 2068629565 3256991230 3609098390 4137259130 6513982460 7218196780 8274518260 13353664043 15307858781 16962762433 26707328086 30615717562 33925524866 53414656172 61231435124 66768320215 67851049732 76539293905 84813812165 133536640430 153078587810 169627624330 267073280860 306157175620 339255248660 627622210021 1255244420042 2510488840084 3138111050105 6276222100210 12552444200420