Search a number
-
+
21803468028600 = 23352147172469193
BaseRepresentation
bin1001111010100100000111…
…11101110111101010111000
32212012101120011201210000010
410331102003331313222320
510324212000303403400
6114212212552541520
74410151156233336
oct475220375675270
985171504653003
1021803468028600
116a46887317965
1225417a93b18a0
13c2209ab8016b
14555417464b56
1527c2590d3450
hex13d483f77ab8

21803468028600 has 96 divisors (see below), whose sum is σ = 67595370963120. Its totient is φ = 5813860715520.

The previous prime is 21803468028599. The next prime is 21803468028673. The reversal of 21803468028600 is 682086430812.

It is a self number, because there is not a number n which added to its sum of digits gives 21803468028600.

It is a congruent number.

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, 7595604 + ... + 10064796.

Almost surely, 221803468028600 is an apocalyptic number.

21803468028600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21803468028600 is an abundant number, since it is smaller than the sum of its proper divisors (45791902934520).

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

21803468028600 is a wasteful number, since it uses less digits than its factorization.

21803468028600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483929 (or 2483920 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 21803468028600 in words is "twenty-one trillion, eight hundred three billion, four hundred sixty-eight million, twenty-eight thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 14717 29434 44151 58868 73585 88302 117736 147170 176604 220755 294340 353208 367925 441510 588680 735850 883020 1103775 1471700 1766040 2207550 2469193 2943400 4415100 4938386 7407579 8830200 9876772 12345965 14815158 19753544 24691930 29630316 37037895 49383860 59260632 61729825 74075790 98767720 123459650 148151580 185189475 246919300 296303160 370378950 493838600 740757900 1481515800 36339113381 72678226762 109017340143 145356453524 181695566905 218034680286 290712907048 363391133810 436069360572 545086700715 726782267620 872138721144 908477834525 1090173401430 1453564535240 1816955669050 2180346802860 2725433503575 3633911338100 4360693605720 5450867007150 7267822676200 10901734014300 21803468028600