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421115214532400 = 245219149585763493
BaseRepresentation
bin101111111000000001000011…
…0110001011000111100110000
32001020001012222100121201100022
41133300002012301120330300
5420144022424410014100
64051345354150543012
7154462366406043143
oct13760020661307460
92036035870551308
10421115214532400
111121a8a61175043
123b292b49367a68
13150c8cc072a93b
1475dc12987a05a
1533a428e504e85
hex17f0086c58f30

421115214532400 has 240 divisors, whose sum is σ = 1072325657316000. Its totient is φ = 158479932948480.

The previous prime is 421115214532391. The next prime is 421115214532403. The reversal of 421115214532400 is 4235412511124.

It is not an unprimeable number, because it can be changed into a prime (421115214532403) 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, 6632435054 + ... + 6632498546.

It is an arithmetic number, because the mean of its divisors is an integer number (4468023572150).

Almost surely, 2421115214532400 is an apocalyptic number.

421115214532400 is a gapful number since it is divisible by the number (40) 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 421115214532400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536162828658000).

421115214532400 is an abundant number, since it is smaller than the sum of its proper divisors (651210442783600).

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

421115214532400 is a wasteful number, since it uses less digits than its factorization.

421115214532400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69536 (or 69525 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 421115214532400 in words is "four hundred twenty-one trillion, one hundred fifteen billion, two hundred fourteen million, five hundred thirty-two thousand, four hundred".