Search a number
-
+
28989417310 = 257894653197
BaseRepresentation
bin11010111111111001…
…110110011101011110
32202211022200222112121
4122333321312131132
5433332242323220
621152331453154
72044245660430
oct327771663536
982738628477
1028989417310
1111326852327
1257505b71ba
13296cbc1089
141590144650
15b4a056eaa
hex6bfe7675e

28989417310 has 32 divisors (see below), whose sum is σ = 60305446080. Its totient is φ = 9827549952.

The previous prime is 28989417293. The next prime is 28989417337. The reversal of 28989417310 is 1371498982.

It is a super-2 number, since 2×289894173102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320369 + ... + 2332828.

It is an arithmetic number, because the mean of its divisors is an integer number (1884545190).

Almost surely, 228989417310 is an apocalyptic number.

28989417310 is an abundant number, since it is smaller than the sum of its proper divisors (31316028770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28989417310 is a wasteful number, since it uses less digits than its factorization.

28989417310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653300.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 28989417310 in words is "twenty-eight billion, nine hundred eighty-nine million, four hundred seventeen thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 89 178 445 623 890 1246 3115 6230 4653197 9306394 23265985 32572379 46531970 65144758 162861895 325723790 414134533 828269066 2070672665 2898941731 4141345330 5797883462 14494708655 28989417310