Search a number
-
+
3903871361971 = 72324247648211
BaseRepresentation
bin111000110011110000110…
…111011010001110110011
3111211012120111200220221011
4320303300313122032303
51002430112032040341
612145225211411351
7552021400032160
oct70636067321663
914735514626834
103903871361971
111275693679079
1253071a753b57
1322419737ab29
14d6d3c509067
156b836a85b81
hex38cf0dda3b3

3903871361971 has 8 divisors (see below), whose sum is σ = 4655548456704. Its totient is φ = 3200689563720.

The previous prime is 3903871361893. The next prime is 3903871362019. The reversal of 3903871361971 is 1791631783093.

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 3903871361971 - 219 = 3903870837683 is a prime.

It is a super-3 number, since 3×39038713619713 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3903871361171) 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, 12123823945 + ... + 12123824266.

It is an arithmetic number, because the mean of its divisors is an integer number (581943557088).

Almost surely, 23903871361971 is an apocalyptic number.

3903871361971 is a deficient number, since it is larger than the sum of its proper divisors (751677094733).

3903871361971 is a wasteful number, since it uses less digits than its factorization.

3903871361971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24247648241.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The spelling of 3903871361971 in words is "three trillion, nine hundred three billion, eight hundred seventy-one million, three hundred sixty-one thousand, nine hundred seventy-one".

Divisors: 1 7 23 161 24247648211 169733537477 557695908853 3903871361971