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47981058409 = 1571671830011
BaseRepresentation
bin101100101011111001…
…001101100101101001
311120211212211022102101
4230223321031211221
51241231122332114
634013040333401
73316005160444
oct545371154551
9146755738371
1047981058409
1119392069389
129370914261
1346a86c2c2b
14247254465b
1513ac4ded74
hexb2be4d969

47981058409 has 8 divisors (see below), whose sum is σ = 48575838528. Its totient is φ = 47389938960.

The previous prime is 47981058373. The next prime is 47981058427. The reversal of 47981058409 is 90485018974.

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 47981058409 - 29 = 47981057897 is a prime.

It is a super-2 number, since 2×479810584092 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47981058409.

It is not an unprimeable number, because it can be changed into a prime (47981052409) 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, 888787 + ... + 941224.

It is an arithmetic number, because the mean of its divisors is an integer number (6071979816).

Almost surely, 247981058409 is an apocalyptic number.

It is an amenable number.

47981058409 is a deficient number, since it is larger than the sum of its proper divisors (594780119).

47981058409 is a wasteful number, since it uses less digits than its factorization.

47981058409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830335.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 47981058409 in words is "forty-seven billion, nine hundred eighty-one million, fifty-eight thousand, four hundred nine".

Divisors: 1 157 167 26219 1830011 287311727 305611837 47981058409