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1800874304772 = 2231271223966211
BaseRepresentation
bin11010001101001100011…
…110010010010100000100
320101011101000201110010220
4122031030132102110010
5214001142310223042
63455151002144340
7244052226010404
oct32151436222404
96334330643126
101800874304772
11634823661814
122510311b20b0
13100a8b4130ca
146323c95a804
1531ca16ab8ec
hex1a34c792504

1800874304772 has 48 divisors (see below), whose sum is σ = 4238594260992. Its totient is φ = 595077144480.

The previous prime is 1800874304737. The next prime is 1800874304783. The reversal of 1800874304772 is 2774034780081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380747 + ... + 2346957.

It is an arithmetic number, because the mean of its divisors is an integer number (88304047104).

Almost surely, 21800874304772 is an apocalyptic number.

1800874304772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1800874304772 is an abundant number, since it is smaller than the sum of its proper divisors (2437719956220).

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

1800874304772 is a wasteful number, since it uses less digits than its factorization.

1800874304772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967568 (or 967566 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 51.

The spelling of 1800874304772 in words is "one trillion, eight hundred billion, eight hundred seventy-four million, three hundred four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1223 1524 2446 3669 4892 7338 14676 155321 310642 465963 621284 931926 966211 1863852 1932422 2898633 3864844 5797266 11594532 122708797 245417594 368126391 490835188 736252782 1181676053 1472505564 2363352106 3545028159 4726704212 7090056318 14180112636 150072858731 300145717462 450218576193 600291434924 900437152386 1800874304772