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203220142023 = 3473316416793
BaseRepresentation
bin1011110101000011011…
…1010100011111000111
3201102112202112211220210
42331100313110133013
511312143324021043
6233205200530503
720452661464113
oct2752067243707
9642482484823
10203220142023
11792045215a8
1233476020a33
13162184c0962
149b9ba30743
155446000633
hex2f50dd47c7

203220142023 has 32 divisors (see below), whose sum is σ = 278035264512. Its totient is φ = 131971276800.

The previous prime is 203220142001. The next prime is 203220142049. The reversal of 203220142023 is 320241022302.

It is not a de Polignac number, because 203220142023 - 218 = 203219879879 is a prime.

It is a super-2 number, since 2×2032201420232 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203220142093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29912715 + ... + 29919507.

It is an arithmetic number, because the mean of its divisors is an integer number (8688602016).

Almost surely, 2203220142023 is an apocalyptic number.

203220142023 is a deficient number, since it is larger than the sum of its proper divisors (74815122489).

203220142023 is a wasteful number, since it uses less digits than its factorization.

203220142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203220142023 its reverse (320241022302), we get a palindrome (523461164325).

The spelling of 203220142023 in words is "two hundred three billion, two hundred twenty million, one hundred forty-two thousand, twenty-three".

Divisors: 1 3 47 141 331 641 993 1923 6793 15557 20379 30127 46671 90381 212171 319271 636513 957813 2248483 4354313 6745449 9972037 13062939 29916111 105678701 204652711 317036103 613958133 1441277603 4323832809 67740047341 203220142023