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472753575405 = 3251024972
BaseRepresentation
bin1101110000100100100…
…11110001010111101101
31200012021000020221012200
412320102103301113231
530221144403403110
61001102513452113
746104163042206
oct6702223612755
91605230227180
10472753575405
11172548083421
1277758271039
13357713aa047
1418c4a7965ad
15c46db236c0
hex6e124f15ed

472753575405 has 18 divisors (see below), whose sum is σ = 819447525546. Its totient is φ = 252132780288.

The previous prime is 472753575403. The next prime is 472753575409. The reversal of 472753575405 is 504575357274.

472753575405 is a `hidden beast` number, since 4 + 7 + 27 + 5 + 3 + 575 + 40 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 163098053316 + 309655522089 = 403854^2 + 556467^2 .

It is not a de Polignac number, because 472753575405 - 21 = 472753575403 is a prime.

It is a super-2 number, since 2×4727535754052 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472753575403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4561117 + ... + 4663613.

Almost surely, 2472753575405 is an apocalyptic number.

472753575405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

472753575405 is a deficient number, since it is larger than the sum of its proper divisors (346693950141).

472753575405 is an frugal number, since it uses more digits than its factorization.

472753575405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205005 (or 102505 counting only the distinct ones).

The product of its (nonzero) digits is 20580000, while the sum is 54.

The spelling of 472753575405 in words is "four hundred seventy-two billion, seven hundred fifty-three million, five hundred seventy-five thousand, four hundred five".

Divisors: 1 3 5 9 15 45 102497 307491 512485 922473 1537455 4612365 10505635009 31516905027 52528175045 94550715081 157584525135 472753575405