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472311449145 = 365129577901
BaseRepresentation
bin1101101111101111111…
…01001100011000111001
31200011010012022121000000
412313313331030120321
530214243212333040
61000551001303213
746060214035314
oct6676775143071
91604105277000
10472311449145
11172340555418
1277654194b09
1335700909183
1418c07b8797b
15c444ddd130
hex6df7f4c639

472311449145 has 28 divisors (see below), whose sum is σ = 849771881316. Its totient is φ = 251899437600.

The previous prime is 472311449069. The next prime is 472311449147. The reversal of 472311449145 is 541944113274.

472311449145 is a `hidden beast` number, since 4 + 7 + 2 + 3 + 114 + 491 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 314545992336 + 157765456809 = 560844^2 + 397197^2 .

It is not a de Polignac number, because 472311449145 - 219 = 472310924857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 472311449145.

It is not an unprimeable number, because it can be changed into a prime (472311449147) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 64785306 + ... + 64792595.

Almost surely, 2472311449145 is an apocalyptic number.

472311449145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

472311449145 is a deficient number, since it is larger than the sum of its proper divisors (377460432171).

472311449145 is an equidigital number, since it uses as much as digits as its factorization.

472311449145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129577924 (or 129577909 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 472311449145 in words is "four hundred seventy-two billion, three hundred eleven million, four hundred forty-nine thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 3645 129577901 388733703 647889505 1166201109 1943668515 3498603327 5831005545 10495809981 17493016635 31487429943 52479049905 94462289829 157437149715 472311449145