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420015083388 = 22335001256949
BaseRepresentation
bin1100001110010101101…
…10011000111101111100
31111011010120110221202120
412013022312120331330
523340142330132023
6520541404522540
742226236205545
oct6071266307574
91434116427676
10420015083388
1115214462382a
126949a250450
13307b8197554
14164864934cc
15add3b438e3
hex61cad98f7c

420015083388 has 12 divisors (see below), whose sum is σ = 980035194600. Its totient is φ = 140005027792.

The previous prime is 420015083363. The next prime is 420015083413. The reversal of 420015083388 is 883380510024.

It is an interprime number because it is at equal distance from previous prime (420015083363) and next prime (420015083413).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17500628463 + ... + 17500628486.

It is an arithmetic number, because the mean of its divisors is an integer number (81669599550).

Almost surely, 2420015083388 is an apocalyptic number.

It is an amenable number.

420015083388 is an abundant number, since it is smaller than the sum of its proper divisors (560020111212).

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

420015083388 is a wasteful number, since it uses less digits than its factorization.

420015083388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35001256956 (or 35001256954 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 420015083388 in words is "four hundred twenty billion, fifteen million, eighty-three thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 35001256949 70002513898 105003770847 140005027796 210007541694 420015083388