Search a number
-
+
28917754004 = 2216634347227
BaseRepresentation
bin11010111011101000…
…011110100010010100
32202122022212002222002
4122323220132202110
5433210421112004
621141251454432
72042415565466
oct327350364224
982568762862
1028917754004
111129a355657
1257305b7418
13295b0bc459
14158480c136
15b43aed61e
hex6bba1e894

28917754004 has 12 divisors (see below), whose sum is σ = 50636511744. Its totient is φ = 14450179224.

The previous prime is 28917753919. The next prime is 28917754009. The reversal of 28917754004 is 40045771982.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28917754004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28917754009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166962 + ... + 2180265.

It is an arithmetic number, because the mean of its divisors is an integer number (4219709312).

Almost surely, 228917754004 is an apocalyptic number.

It is an amenable number.

28917754004 is a deficient number, since it is larger than the sum of its proper divisors (21718757740).

28917754004 is a wasteful number, since it uses less digits than its factorization.

28917754004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348894 (or 4348892 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 28917754004 in words is "twenty-eight billion, nine hundred seventeen million, seven hundred fifty-four thousand, four".

Divisors: 1 2 4 1663 3326 6652 4347227 8694454 17388908 7229438501 14458877002 28917754004