Search a number
-
+
126848368440 = 23345101387631
BaseRepresentation
bin111011000100011000…
…0000111111100111000
3110010102021120202220000
41312020300013330320
54034241140242230
6134135012433000
712110264225103
oct1661060077470
9403367522800
10126848368440
1149883662752
1220701318760
13bc66c6c8a1
1461d4ab173a
15347631bb60
hex1d88c07f38

126848368440 has 160 divisors (see below), whose sum is σ = 430573872960. Its totient is φ = 33491232000.

The previous prime is 126848368379. The next prime is 126848368453. The reversal of 126848368440 is 44863848621.

It is a happy number.

126848368440 is a `hidden beast` number, since 1 + 2 + 68 + 4 + 83 + 68 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 133425 + ... + 521055.

It is an arithmetic number, because the mean of its divisors is an integer number (2691086706).

Almost surely, 2126848368440 is an apocalyptic number.

126848368440 is a gapful number since it is divisible by the number (10) 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 126848368440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215286936480).

126848368440 is an abundant number, since it is smaller than the sum of its proper divisors (303725504520).

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

126848368440 is a wasteful number, since it uses less digits than its factorization.

126848368440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387755 (or 387742 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 126848368440 in words is "one hundred twenty-six billion, eight hundred forty-eight million, three hundred sixty-eight thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 101 108 120 135 162 180 202 216 270 303 324 360 404 405 505 540 606 648 808 810 909 1010 1080 1212 1515 1620 1818 2020 2424 2727 3030 3240 3636 4040 4545 5454 6060 7272 8181 9090 10908 12120 13635 16362 18180 21816 27270 32724 36360 40905 54540 65448 81810 109080 163620 327240 387631 775262 1162893 1550524 1938155 2325786 3101048 3488679 3876310 4651572 5814465 6977358 7752620 9303144 10466037 11628930 13954716 15505240 17443395 20932074 23257860 27909432 31398111 34886790 39150731 41864148 46515720 52330185 62796222 69773580 78301462 83728296 104660370 117452193 125592444 139547160 156602924 156990555 195753655 209320740 234904386 251184888 313205848 313981110 352356579 391507310 418641480 469808772 587260965 627962220 704713158 783014620 939617544 1057069737 1174521930 1255924440 1409426316 1566029240 1761782895 2114139474 2349043860 2818852632 3171209211 3523565790 4228278948 4698087720 5285348685 6342418422 7047131580 8456557896 10570697370 12684836844 14094263160 15856046055 21141394740 25369673688 31712092110 42282789480 63424184220 126848368440