Search a number
-
+
13405424212400 = 24521110130165221
BaseRepresentation
bin1100001100010011000110…
…0011000101100110110000
31202110112202001200102211212
43003010301203011212300
53224113302044244100
644302211124255252
72552336623503623
oct303046143054660
952415661612755
1013405424212400
1142a9232542160
121606089541528
13763183cc349c
14344b7c753dba
15183a8c37e635
hexc31318c59b0

13405424212400 has 120 divisors (see below), whose sum is σ = 35482264690608. Its totient is φ = 4826435200000.

The previous prime is 13405424212373. The next prime is 13405424212469. The reversal of 13405424212400 is 421242450431.

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, 14638211 + ... + 15527010.

Almost surely, 213405424212400 is an apocalyptic number.

13405424212400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405424212400 is an abundant number, since it is smaller than the sum of its proper divisors (22076840478208).

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

13405424212400 is a wasteful number, since it uses less digits than its factorization.

13405424212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30165351 (or 30165340 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 13405424212400 its reverse (421242450431), we get a palindrome (13826666662831).

The spelling of 13405424212400 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, two hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 101 110 176 200 202 220 275 400 404 440 505 550 808 880 1010 1100 1111 1616 2020 2200 2222 2525 4040 4400 4444 5050 5555 8080 8888 10100 11110 17776 20200 22220 27775 40400 44440 55550 88880 111100 222200 444400 30165221 60330442 120660884 150826105 241321768 301652210 331817431 482643536 603304420 663634862 754130525 1206608840 1327269724 1508261050 1659087155 2413217680 2654539448 3016522100 3046687321 3318174310 5309078896 6033044200 6093374642 6636348620 8295435775 12066088400 12186749284 13272697240 15233436605 16590871550 24373498568 26545394480 30466873210 33181743100 33513560531 48746997136 60933746420 66363486200 67027121062 76167183025 121867492840 132726972400 134054242124 152334366050 167567802655 243734985680 268108484248 304668732100 335135605310 536216968496 609337464200 670271210620 837839013275 1218674928400 1340542421240 1675678026550 2681084842480 3351356053100 6702712106200 13405424212400