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245342352530520 = 233257934110422661
BaseRepresentation
bin110111110010001100110111…
…110001010101110001011000
31012011200111111101100200201200
4313302030313301111301120
5224124142114221434040
62225444415405114200
7102451254131545410
oct6762146761256130
91164614441320650
10245342352530520
11711a011aa3a213
1223624ba9558960
13a6b88b900703b
1444828c17b9640
151d56db6e6e630
hexdf2337c55c58

245342352530520 has 192 divisors, whose sum is σ = 911369238661440. Its totient is φ = 56072243174400.

The previous prime is 245342352530519. The next prime is 245342352530521. The reversal of 245342352530520 is 25035253243542.

245342352530520 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 4 + 23 + 52 + 53 + 0 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (245342352530519) and next prime (245342352530521).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245342352530521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18327990 + ... + 28750650.

It is an arithmetic number, because the mean of its divisors is an integer number (4746714784695).

Almost surely, 2245342352530520 is an apocalyptic number.

245342352530520 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 245342352530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455684619330720).

245342352530520 is an abundant number, since it is smaller than the sum of its proper divisors (666026886130920).

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

245342352530520 is a wasteful number, since it uses less digits than its factorization.

245342352530520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432026 (or 10432019 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 45.

The spelling of 245342352530520 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred fifty-two million, five hundred thirty thousand, five hundred twenty".