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4870361981 = 31473342733
BaseRepresentation
bin1001000100100101…
…11101001101111101
3110120102110000122002
410202102331031331
534433303040411
62123140432045
7231456252032
oct44222751575
913512400562
104870361981
11207a213051
12b3b0a8625
135c803bac4
14342b97389
151d789a33b
hex1224bd37d

4870361981 has 8 divisors (see below), whose sum is σ = 5134439424. Its totient is φ = 4612970160.

The previous prime is 4870361959. The next prime is 4870361983. The reversal of 4870361981 is 1891630784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4870361981 is a prime.

It is a super-2 number, since 2×48703619812 = 47440851651940488722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4870361983) 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, 1669910 + ... + 1672823.

It is an arithmetic number, because the mean of its divisors is an integer number (641804928).

Almost surely, 24870361981 is an apocalyptic number.

It is an amenable number.

4870361981 is a deficient number, since it is larger than the sum of its proper divisors (264077443).

4870361981 is a wasteful number, since it uses less digits than its factorization.

4870361981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342811.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 4870361981 is about 69787.9787714188. The cubic root of 4870361981 is about 1695.0678242860.

The spelling of 4870361981 in words is "four billion, eight hundred seventy million, three hundred sixty-one thousand, nine hundred eighty-one".

Divisors: 1 31 47 1457 3342733 103624723 157108451 4870361981