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202444144431 = 3371823821121
BaseRepresentation
bin1011110010001010011…
…1000111111100101111
3201100112200101002100020
42330202213013330233
511304101200110211
6233000200333223
720424516556344
oct2744247077457
9640480332306
10202444144431
1178946495081
123329a174213
13161237c2b99
149b269527cb
1553ecd1a306
hex2f229c7f2f

202444144431 has 8 divisors (see below), whose sum is σ = 277220810544. Its totient is φ = 131315120640.

The previous prime is 202444144381. The next prime is 202444144451. The reversal of 202444144431 is 134441444202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202444144431 - 215 = 202444111663 is a prime.

It is a super-2 number, since 2×2024441444312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202444144392 and 202444144401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202444144451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911910450 + ... + 911910671.

It is an arithmetic number, because the mean of its divisors is an integer number (34652601318).

Almost surely, 2202444144431 is an apocalyptic number.

202444144431 is a deficient number, since it is larger than the sum of its proper divisors (74776666113).

202444144431 is a wasteful number, since it uses less digits than its factorization.

202444144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823821161.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 202444144431 its reverse (134441444202), we get a palindrome (336885588633).

The spelling of 202444144431 in words is "two hundred two billion, four hundred forty-four million, one hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 3 37 111 1823821121 5471463363 67481381477 202444144431