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1001030444220 = 223529575304853
BaseRepresentation
bin11101001000100100001…
…00000110010010111100
310112200211112101102012210
432210102010012102330
5112400102243203340
62043511140300420
7132215316245412
oct16442204062274
93480745342183
101001030444220
11356597652994
1214200b0a1710
1373520904c51
143664323b2b2
151b08be5d180
hexe9121064bc

1001030444220 has 48 divisors (see below), whose sum is σ = 2899536464160. Its totient is φ = 257736573696.

The previous prime is 1001030444201. The next prime is 1001030444261. The reversal of 1001030444220 is 224440301001.

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, 287650687 + ... + 287654166.

It is an arithmetic number, because the mean of its divisors is an integer number (60407009670).

Almost surely, 21001030444220 is an apocalyptic number.

1001030444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001030444220 is an abundant number, since it is smaller than the sum of its proper divisors (1898506019940).

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

1001030444220 is a wasteful number, since it uses less digits than its factorization.

1001030444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575304894 (or 575304892 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1001030444220 its reverse (224440301001), we get a palindrome (1225470745221).

The spelling of 1001030444220 in words is "one trillion, one billion, thirty million, four hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 575304853 1150609706 1725914559 2301219412 2876524265 3451829118 5753048530 6903658236 8629572795 11506097060 16683840737 17259145590 33367681474 34518291180 50051522211 66735362948 83419203685 100103044422 166838407370 200206088844 250257611055 333676814740 500515222110 1001030444220