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10305220560 = 2435194922031
BaseRepresentation
bin10011001100011110…
…10010111111010000
3222121012002110000120
421212033102333100
5132101114024220
64422324350240
7513241633545
oct114617227720
928535073016
1010305220560
114409034808
121bb7245380
13c82cc555b
146da8d4bcc
15404a9da40
hex2663d2fd0

10305220560 has 80 divisors (see below), whose sum is σ = 31964025600. Its totient is φ = 2746524160.

The previous prime is 10305220553. The next prime is 10305220561. The reversal of 10305220560 is 6502250301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10305220560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305220561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456745 + ... + 478775.

It is an arithmetic number, because the mean of its divisors is an integer number (399550320).

Almost surely, 210305220560 is an apocalyptic number.

10305220560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10305220560 is an abundant number, since it is smaller than the sum of its proper divisors (21658805040).

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

10305220560 is a wasteful number, since it uses less digits than its factorization.

10305220560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23996 (or 23990 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 10305220560 its reverse (6502250301), we get a palindrome (16807470861).

The spelling of 10305220560 in words is "ten billion, three hundred five million, two hundred twenty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1949 3898 5847 7796 9745 11694 15592 19490 22031 23388 29235 31184 38980 44062 46776 58470 66093 77960 88124 93552 110155 116940 132186 155920 176248 220310 233880 264372 330465 352496 440620 467760 528744 660930 881240 1057488 1321860 1762480 2643720 5287440 42938419 85876838 128815257 171753676 214692095 257630514 343507352 429384190 515261028 644076285 687014704 858768380 1030522056 1288152570 1717536760 2061044112 2576305140 3435073520 5152610280 10305220560