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1020013200100 = 225271143663831
BaseRepresentation
bin11101101011111011000…
…01100100001011100100
310121111211110210022212101
432311331201210023210
5113202441334400400
62100330530501444
7133456610101126
oct16657541441344
93544743708771
101020013200100
11363648950394
12145828434884
137525761578b
14375243a7216
151b7ed73d56a
hexed7d8642e4

1020013200100 has 36 divisors (see below), whose sum is σ = 2244603711168. Its totient is φ = 402258724000.

The previous prime is 1020013200091. The next prime is 1020013200113. The reversal of 1020013200100 is 10023100201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71824816 + ... + 71839015.

It is an arithmetic number, because the mean of its divisors is an integer number (62350103088).

Almost surely, 21020013200100 is an apocalyptic number.

1020013200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020013200100 is an abundant number, since it is smaller than the sum of its proper divisors (1224590511068).

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

1020013200100 is a wasteful number, since it uses less digits than its factorization.

1020013200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143663916 (or 143663909 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1020013200100 its reverse (10023100201), we get a palindrome (1030036300301).

The spelling of 1020013200100 in words is "one trillion, twenty billion, thirteen million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 71 100 142 284 355 710 1420 1775 3550 7100 143663831 287327662 574655324 718319155 1436638310 2873276620 3591595775 7183191550 10200132001 14366383100 20400264002 40800528004 51000660005 102001320010 204002640020 255003300025 510006600050 1020013200100