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200303121431 = 7194013755707
BaseRepresentation
bin1011101010001011111…
…1110001010000010111
3201011000110122211221002
42322202333301100113
511240210044341211
6232003515013515
720320461303650
oct2724277612027
9634013584832
10200303121431
1177a47987886
12329a113a29b
1315b7207097a
1499a2468527
155324d9d03b
hex2ea2ff1417

200303121431 has 16 divisors (see below), whose sum is σ = 241567138560. Its totient is φ = 162246499200.

The previous prime is 200303121419. The next prime is 200303121457. The reversal of 200303121431 is 134121303002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200303121431 is a prime.

It is a super-2 number, since 2×2003031214312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200303111431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824521 + ... + 1931186.

It is an arithmetic number, because the mean of its divisors is an integer number (15097946160).

Almost surely, 2200303121431 is an apocalyptic number.

200303121431 is a deficient number, since it is larger than the sum of its proper divisors (41264017129).

200303121431 is a wasteful number, since it uses less digits than its factorization.

200303121431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756134.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 200303121431 its reverse (134121303002), we get a palindrome (334424424433).

The spelling of 200303121431 in words is "two hundred billion, three hundred three million, one hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 7 19 133 401 2807 7619 53333 3755707 26289949 71358433 499509031 1506038507 10542269549 28614731633 200303121431