Search a number
-
+
28402104286503 = 331051929788389
BaseRepresentation
bin1100111010100111000010…
…10101100011110100100111
310201120012210111000002221000
412131103201111203310213
512210320002144132003
6140223425132324343
75660661423051213
oct635234125436447
9121505714002830
1028402104286503
1190602a0479222
1232286273136b3
1312b03cb47516c
14702952343943
15343c0d3071a3
hex19d4e1563d27

28402104286503 has 8 divisors (see below), whose sum is σ = 42077191535600. Its totient is φ = 18934736190984.

The previous prime is 28402104286489. The next prime is 28402104286553. The reversal of 28402104286503 is 30568240120482.

28402104286503 is a `hidden beast` number, since 2 + 8 + 4 + 0 + 21 + 0 + 42 + 86 + 503 = 666.

It is not a de Polignac number, because 28402104286503 - 24 = 28402104286487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28402104286553) 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, 525964894168 + ... + 525964894221.

It is an arithmetic number, because the mean of its divisors is an integer number (5259648941950).

Almost surely, 228402104286503 is an apocalyptic number.

28402104286503 is a deficient number, since it is larger than the sum of its proper divisors (13675087249097).

28402104286503 is a wasteful number, since it uses less digits than its factorization.

28402104286503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051929788398 (or 1051929788392 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 28402104286503 in words is "twenty-eight trillion, four hundred two billion, one hundred four million, two hundred eighty-six thousand, five hundred three".

Divisors: 1 3 9 27 1051929788389 3155789365167 9467368095501 28402104286503