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16252205420 = 2251173873661
BaseRepresentation
bin11110010001011010…
…01111100101101100
31112221122101120121002
433020231033211230
5231241031033140
611244405055432
71113513316043
oct171055174554
945848346532
1016252205420
11698aa45530
1231969b7578
1316c00bb6c9
14b0266355a
15651c13415
hex3c8b4f96c

16252205420 has 24 divisors (see below), whose sum is σ = 37232325648. Its totient is φ = 5909892800.

The previous prime is 16252205413. The next prime is 16252205429. The reversal of 16252205420 is 2450225261.

It is not an unprimeable number, because it can be changed into a prime (16252205429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36936611 + ... + 36937050.

It is an arithmetic number, because the mean of its divisors is an integer number (1551346902).

Almost surely, 216252205420 is an apocalyptic number.

16252205420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16252205420 is an abundant number, since it is smaller than the sum of its proper divisors (20980120228).

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

16252205420 is a wasteful number, since it uses less digits than its factorization.

16252205420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73873681 (or 73873679 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 16252205420 in words is "sixteen billion, two hundred fifty-two million, two hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 73873661 147747322 295494644 369368305 738736610 812610271 1477473220 1625220542 3250441084 4063051355 8126102710 16252205420