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472138833430 = 25112390197383
BaseRepresentation
bin1101101111011011010…
…10101101111000010110
31200010200011111210202101
412313231222231320112
530213420020132210
61000521513432314
746053016603435
oct6675552557026
91603604453671
10472138833430
11172262076700
127760640b69a
13356a3c1c3b4
1418bccc9311c
15c434b92a3a
hex6dedaade16

472138833430 has 24 divisors (see below), whose sum is σ = 934132537296. Its totient is φ = 171686848080.

The previous prime is 472138833421. The next prime is 472138833437. The reversal of 472138833430 is 34338831274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472138833437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195097482 + ... + 195099901.

It is an arithmetic number, because the mean of its divisors is an integer number (38922189054).

Almost surely, 2472138833430 is an apocalyptic number.

472138833430 is a deficient number, since it is larger than the sum of its proper divisors (461993703866).

472138833430 is a wasteful number, since it uses less digits than its factorization.

472138833430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390197412 (or 390197401 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 472138833430 in words is "four hundred seventy-two billion, one hundred thirty-eight million, eight hundred thirty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 1210 390197383 780394766 1950986915 3901973830 4292171213 8584342426 21460856065 42921712130 47213883343 94427766686 236069416715 472138833430