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420625364502 = 23713907720133
BaseRepresentation
bin1100001111011110011…
…10011011011000010110
31111012201002211110001210
412013233032123120112
523342420043131002
6521122125202250
742250326415020
oct6075716333026
91435632743053
10420625364502
11152428063a92
126962a700386
1330884752935
1416503555010
15ae1c4e296c
hex61ef39b616

420625364502 has 32 divisors (see below), whose sum is σ = 961499872512. Its totient is φ = 120169867104.

The previous prime is 420625364479. The next prime is 420625364669. The reversal of 420625364502 is 205463526024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224028 + ... + 944160.

It is an arithmetic number, because the mean of its divisors is an integer number (30046871016).

Almost surely, 2420625364502 is an apocalyptic number.

420625364502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420625364502 is an abundant number, since it is smaller than the sum of its proper divisors (540874508010).

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

420625364502 is a wasteful number, since it uses less digits than its factorization.

420625364502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734052.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 420625364502 in words is "four hundred twenty billion, six hundred twenty-five million, three hundred sixty-four thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 13907 27814 41721 83442 97349 194698 292047 584094 720133 1440266 2160399 4320798 5040931 10081862 15122793 30245586 10014889631 20029779262 30044668893 60089337786 70104227417 140208454834 210312682251 420625364502