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31300045233660 = 22335721316389867
BaseRepresentation
bin1110001110111100111000…
…00100111101110111111100
311002211020212222011022122000
413013132130010331313330
513100304443034434120
6150323013044222300
76410232204504300
oct707363404756774
9132736788138560
1031300045233660
119a783025a8a35
1236161a999a990
131460773a13468
147a2d0494bd00
153942bcb86990
hex1c779c13ddfc

31300045233660 has 288 divisors, whose sum is σ = 113286220427520. Its totient is φ = 7153672934016.

The previous prime is 31300045233641. The next prime is 31300045233727. The reversal of 31300045233660 is 6633254000313.

31300045233660 is a `hidden beast` number, since 313 + 0 + 0 + 0 + 4 + 5 + 2 + 336 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 348248047 + ... + 348337913.

It is an arithmetic number, because the mean of its divisors is an integer number (393354932040).

Almost surely, 231300045233660 is an apocalyptic number.

31300045233660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31300045233660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56643110213760).

31300045233660 is an abundant number, since it is smaller than the sum of its proper divisors (81986175193860).

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

31300045233660 is a wasteful number, since it uses less digits than its factorization.

31300045233660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103062 (or 103047 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 31300045233660 its reverse (6633254000313), we get a palindrome (37933299233973).

It can be divided in two parts, 3130004 and 5233660, that added together give a square (8363664 = 28922).

The spelling of 31300045233660 in words is "thirty-one trillion, three hundred billion, forty-five million, two hundred thirty-three thousand, six hundred sixty".