Search a number
-
+
887902801421 = 23233433382643
BaseRepresentation
bin11001110101110110010…
…00011000111000001101
310010212211110202201111112
430322323020120320031
5104021411104121141
61515521422301405
7121102026200006
oct14727310307015
93125743681445
10887902801421
11312614a90519
121240b8a27865
1365962451c3c
1430d909061ad
151816a4ab7eb
hexcebb218e0d

887902801421 has 16 divisors (see below), whose sum is σ = 932635057536. Its totient is φ = 843698059776.

The previous prime is 887902801399. The next prime is 887902801427. The reversal of 887902801421 is 124108209788.

887902801421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 887902801421 - 210 = 887902800397 is a prime.

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 887902801421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887902801427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129126 + ... + 2511768.

It is an arithmetic number, because the mean of its divisors is an integer number (58289691096).

Almost surely, 2887902801421 is an apocalyptic number.

It is an amenable number.

887902801421 is a deficient number, since it is larger than the sum of its proper divisors (44732256115).

887902801421 is a wasteful number, since it uses less digits than its factorization.

887902801421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383332.

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 887902801421 in words is "eight hundred eighty-seven billion, nine hundred two million, eight hundred one thousand, four hundred twenty-one".

Divisors: 1 23 233 433 5359 9959 100889 382643 2320447 8800789 89155819 165684419 2050583837 3810741637 38604469627 887902801421