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253445160500 = 225374310091669
BaseRepresentation
bin1110110000001010000…
…0100011111000110100
3220020012000210010212022
43230002200203320310
513123023430114000
6312233041212312
724211415214320
oct3540240437064
9806160703768
10253445160500
1198538205334
1241152331098
131ab90a673bc
14c3a41b6980
1568d54e2585
hex3b02823e34

253445160500 has 192 divisors, whose sum is σ = 648340492800. Its totient is φ = 84739737600.

The previous prime is 253445160491. The next prime is 253445160523. The reversal of 253445160500 is 5061544352.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151853666 + ... + 151855334.

It is an arithmetic number, because the mean of its divisors is an integer number (3376773400).

Almost surely, 2253445160500 is an apocalyptic number.

253445160500 is a gapful number since it is divisible by the number (20) 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 253445160500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324170246400).

253445160500 is an abundant number, since it is smaller than the sum of its proper divisors (394895332300).

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

253445160500 is a wasteful number, since it uses less digits than its factorization.

253445160500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 253445160500 in words is "two hundred fifty-three billion, four hundred forty-five million, one hundred sixty thousand, five hundred".