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8545245450240 = 212352331972011
BaseRepresentation
bin111110001011001100001…
…0100011101000000000000
31010020220202211220010121010
41330112120110131000000
52110001130313401430
630101344230200520
71541242101606342
oct174263024350000
933226684803533
108545245450240
1127a5022312114
12b601614b3140
1349ca757618a5
14217840985292
15ec434d1ccb0
hex7c59851d000

8545245450240 has 832 divisors, whose sum is σ = 29768944730112. Its totient is φ = 2086561382400.

The previous prime is 8545245450229. The next prime is 8545245450257. The reversal of 8545245450240 is 420545425458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8545245450240.

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, 4249250835 + ... + 4249252845.

Almost surely, 28545245450240 is an apocalyptic number.

8545245450240 is a gapful number since it is divisible by the number (80) 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 8545245450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14884472365056).

8545245450240 is an abundant number, since it is smaller than the sum of its proper divisors (21223699279872).

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

8545245450240 is a wasteful number, since it uses less digits than its factorization.

8545245450240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 5120000, while the sum is 48.

The spelling of 8545245450240 in words is "eight trillion, five hundred forty-five billion, two hundred forty-five million, four hundred fifty thousand, two hundred forty".