Search a number
-
+
455161208640 = 26351513139909
BaseRepresentation
bin1101001111110011011…
…10001101111101000000
31121111211222010002212020
412213321232031331000
524424132232134030
6545033112201440
744612214303165
oct6477156157500
91544758102766
10455161208640
1116603a6aa936
1274268699280
1333bc9761578
141805c15a06c
15bc8e43a510
hex69f9b8df40

455161208640 has 112 divisors (see below), whose sum is σ = 1454707743360. Its totient is φ = 120572467200.

The previous prime is 455161208627. The next prime is 455161208651. The reversal of 455161208640 is 46802161554.

It is a super-2 number, since 2×4551612086402 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 455161208592 and 455161208601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424995 + ... + 1714914.

Almost surely, 2455161208640 is an apocalyptic number.

455161208640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455161208640 is an abundant number, since it is smaller than the sum of its proper divisors (999546534720).

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

455161208640 is a wasteful number, since it uses less digits than its factorization.

455161208640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140080 (or 3140070 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 455161208640 in words is "four hundred fifty-five billion, one hundred sixty-one million, two hundred eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 151 160 192 240 302 320 453 480 604 755 906 960 1208 1510 1812 2265 2416 3020 3624 4530 4832 6040 7248 9060 9664 12080 14496 18120 24160 28992 36240 48320 72480 144960 3139909 6279818 9419727 12559636 15699545 18839454 25119272 31399090 37678908 47098635 50238544 62798180 75357816 94197270 100477088 125596360 150715632 188394540 200954176 251192720 301431264 376789080 474126259 502385440 602862528 753578160 948252518 1004770880 1422378777 1507156320 1896505036 2370631295 2844757554 3014312640 3793010072 4741262590 5689515108 7111893885 7586020144 9482525180 11379030216 14223787770 15172040288 18965050360 22758060432 28447575540 30344080576 37930100720 45516120864 56895151080 75860201440 91032241728 113790302160 151720402880 227580604320 455161208640