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202003838644872 = 23311173119325792917
BaseRepresentation
bin101101111011100010101111…
…000010111011001010001000
3222111020101012211120021100210
4231323202233002323022020
5202434112330143113442
61553343140554001120
760356203301624205
oct5573425702731210
9874211184507323
10202003838644872
115940138a75a910
121a7a5844a161a0
138893b59b9b444
1437c5076224cac
1518548b406d19c
hexb7b8af0bb288

202003838644872 has 512 divisors, whose sum is σ = 605705759539200. Its totient is φ = 55424640614400.

The previous prime is 202003838644859. The next prime is 202003838644897. The reversal of 202003838644872 is 278446838300202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 69250543158 + ... + 69250546074.

It is an arithmetic number, because the mean of its divisors is an integer number (1183019061600).

Almost surely, 2202003838644872 is an apocalyptic number.

202003838644872 is a gapful number since it is divisible by the number (22) 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 202003838644872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302852879769600).

202003838644872 is an abundant number, since it is smaller than the sum of its proper divisors (403701920894328).

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

202003838644872 is a wasteful number, since it uses less digits than its factorization.

202003838644872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5753 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 57.

The spelling of 202003838644872 in words is "two hundred two trillion, three billion, eight hundred thirty-eight million, six hundred forty-four thousand, eight hundred seventy-two".