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472903772861 = 1343184401887
BaseRepresentation
bin1101110000110110100…
…00101110101010111101
31200012122110212202101102
412320123100232222331
530222001331212421
61001125441022445
746110665513522
oct6703320565275
91605573782342
10472903772861
1117261493aa53
127779a624a25
1335796547a90
1418c626d3149
15c47bde160b
hex6e1b42eabd

472903772861 has 8 divisors (see below), whose sum is σ = 510462618624. Its totient is φ = 435513731760.

The previous prime is 472903772857. The next prime is 472903772867. The reversal of 472903772861 is 168277309274.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472903772861 - 22 = 472903772857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472903772797 and 472903772806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472903772867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42195341 + ... + 42206546.

It is an arithmetic number, because the mean of its divisors is an integer number (63807827328).

Almost surely, 2472903772861 is an apocalyptic number.

It is an amenable number.

472903772861 is a deficient number, since it is larger than the sum of its proper divisors (37558845763).

472903772861 is a wasteful number, since it uses less digits than its factorization.

472903772861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84402331.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 472903772861 in words is "four hundred seventy-two billion, nine hundred three million, seven hundred seventy-two thousand, eight hundred sixty-one".

Divisors: 1 13 431 5603 84401887 1097224531 36377213297 472903772861