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203012078592 = 21031741591607
BaseRepresentation
bin1011110100010001110…
…1100111110000000000
3201102000021001010112210
42331010131213300000
511311232043003332
6233132405222120
720444554124151
oct2750435476000
9642007033483
10203012078592
1179108031454
1233418401940
13161b43723bb
149b7c14d928
155432b01ecc
hex2f44767c00

203012078592 has 352 divisors, whose sum is σ = 597223549440. Its totient is φ = 61045473280.

The previous prime is 203012078573. The next prime is 203012078593. The reversal of 203012078592 is 295870210302.

It is a self number, because there is not a number n which added to its sum of digits gives 203012078592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012078593) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 126329053 + ... + 126330659.

Almost surely, 2203012078592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203012078592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298611774720).

203012078592 is an abundant number, since it is smaller than the sum of its proper divisors (394211470848).

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

203012078592 is a wasteful number, since it uses less digits than its factorization.

203012078592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 203012078592 its reverse (295870210302), we get a palindrome (498882288894).

The spelling of 203012078592 in words is "two hundred three billion, twelve million, seventy-eight thousand, five hundred ninety-two".