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1020211032320 = 2851091730559
BaseRepresentation
bin11101101100010010101…
…00001111000100000000
310121112100021001020122122
432312021110033010000
5113203343011013240
62100402315023412
7133464531456344
oct16661124170400
93545307036578
101020211032320
1136373a592697
1214588273ab68
13752895c116c
1437542783624
151b810cba4b5
hexed8950f100

1020211032320 has 72 divisors (see below), whose sum is σ = 2445967480320. Its totient is φ = 407709808640.

The previous prime is 1020211032319. The next prime is 1020211032341. The reversal of 1020211032320 is 232301120201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031201 + ... + 1761759.

It is an arithmetic number, because the mean of its divisors is an integer number (33971770560).

Almost surely, 21020211032320 is an apocalyptic number.

1020211032320 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 1020211032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222983740160).

1020211032320 is an abundant number, since it is smaller than the sum of its proper divisors (1425756448000).

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

1020211032320 is an equidigital number, since it uses as much as digits as its factorization.

1020211032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731671 (or 731657 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020211032320 its reverse (232301120201), we get a palindrome (1252512152521).

The spelling of 1020211032320 in words is "one trillion, twenty billion, two hundred eleven million, thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1091 1280 2182 4364 5455 8728 10910 17456 21820 34912 43640 69824 87280 139648 174560 279296 349120 698240 730559 1396480 1461118 2922236 3652795 5844472 7305590 11688944 14611180 23377888 29222360 46755776 58444720 93511552 116889440 187023104 233778880 467557760 797039869 935115520 1594079738 3188159476 3985199345 6376318952 7970398690 12752637904 15940797380 25505275808 31881594760 51010551616 63763189520 102021103232 127526379040 204042206464 255052758080 510105516160 1020211032320