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31300429248 = 26321115533181
BaseRepresentation
bin11101001001101001…
…101010010111000000
32222210101021112221100
4131021221222113000
51003100402213443
622213524454400
72155440154524
oct351151522700
988711245840
1031300429248
1112302304850
12609654a400
132c4a92056a
14172d03bd84
15c32da13d3
hex749a6a5c0

31300429248 has 168 divisors, whose sum is σ = 97966932336. Its totient is φ = 9475891200.

The previous prime is 31300429243. The next prime is 31300429249. The reversal of 31300429248 is 84292400313.

It is a super-2 number, since 2×313004292482 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300429241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9838218 + ... + 9841398.

It is an arithmetic number, because the mean of its divisors is an integer number (583136502).

Almost surely, 231300429248 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 31300429248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48983466168).

31300429248 is an abundant number, since it is smaller than the sum of its proper divisors (66666503088).

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

31300429248 is a wasteful number, since it uses less digits than its factorization.

31300429248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 31300429248 in words is "thirty-one billion, three hundred million, four hundred twenty-nine thousand, two hundred forty-eight".