Search a number
-
+
28745888716 = 227186472179
BaseRepresentation
bin11010110001011000…
…110111001111001100
32202012100110110010001
4122301120313033030
5432332421414331
621112232054044
72035231010506
oct326130671714
982170413101
1028745888716
1111211339726
1256a2b34324
13293160610c
141569a70d76
15b339a0561
hex6b16373cc

28745888716 has 6 divisors (see below), whose sum is σ = 50305305260. Its totient is φ = 14372944356.

The previous prime is 28745888687. The next prime is 28745888741. The reversal of 28745888716 is 61788854782.

It is a super-2 number, since 2×287458887162 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3593236086 + ... + 3593236093.

Almost surely, 228745888716 is an apocalyptic number.

It is an amenable number.

28745888716 is a deficient number, since it is larger than the sum of its proper divisors (21559416544).

28745888716 is a wasteful number, since it uses less digits than its factorization.

28745888716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186472183 (or 7186472181 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 64.

The spelling of 28745888716 in words is "twenty-eight billion, seven hundred forty-five million, eight hundred eighty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 7186472179 14372944358 28745888716