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200312031030 = 23559113170639
BaseRepresentation
bin1011101010001110000…
…1110000011100110110
3201011001002102111121020
42322203201300130312
511240214334443110
6232004434002010
720320630112316
oct2724341603466
9634032374536
10200312031030
1177a51a12791
12329a4116306
1315b73b70117
1499a3707446
155325a5cd70
hex2ea3870736

200312031030 has 32 divisors (see below), whose sum is σ = 488897164800. Its totient is φ = 52511176032.

The previous prime is 200312031019. The next prime is 200312031053. The reversal of 200312031030 is 30130213002.

200312031030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56583550 + ... + 56587089.

It is an arithmetic number, because the mean of its divisors is an integer number (15278036400).

Almost surely, 2200312031030 is an apocalyptic number.

200312031030 is an abundant number, since it is smaller than the sum of its proper divisors (288585133770).

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

200312031030 is a wasteful number, since it uses less digits than its factorization.

200312031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113170708.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 200312031030 its reverse (30130213002), we get a palindrome (230442244032).

The spelling of 200312031030 in words is "two hundred billion, three hundred twelve million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 113170639 226341278 339511917 565853195 679023834 1131706390 1697559585 3395119170 6677067701 13354135402 20031203103 33385338505 40062406206 66770677010 100156015515 200312031030