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420767148284 = 227131114712963
BaseRepresentation
bin1100001111101111010…
…11010010100011111100
31111020001222121210211222
412013313223102203330
523343212342221114
6521144152132512
742254000514560
oct6076753224374
91436058553758
10420767148284
111524a00a426a
126966a097138
13308a7c35b72
14165183016a0
15ae29b9c98e
hex61f7ad28fc

420767148284 has 24 divisors (see below), whose sum is σ = 847958229888. Its totient is φ = 178952220720.

The previous prime is 420767148271. The next prime is 420767148313. The reversal of 420767148284 is 482841767024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57352814 + ... + 57360149.

It is an arithmetic number, because the mean of its divisors is an integer number (35331592912).

Almost surely, 2420767148284 is an apocalyptic number.

It is an amenable number.

420767148284 is an abundant number, since it is smaller than the sum of its proper divisors (427191081604).

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

420767148284 is a wasteful number, since it uses less digits than its factorization.

420767148284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114713105 (or 114713103 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 420767148284 in words is "four hundred twenty billion, seven hundred sixty-seven million, one hundred forty-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 131 262 524 917 1834 3668 114712963 229425926 458851852 802990741 1605981482 3211962964 15027398153 30054796306 60109592612 105191787071 210383574142 420767148284