Search a number
-
+
228533912870 = 25116881195527
BaseRepresentation
bin1101010011010110101…
…1101100010100100110
3210211212220212122102012
43110311223230110212
512221014140202440
6252553110514222
722340166131234
oct3246553542446
9724786778365
10228533912870
1188a1448827a
123835b665972
1318720a36ca3
14b0bd933954
155e28501e65
hex3535aec526

228533912870 has 16 divisors (see below), whose sum is σ = 411366666528. Its totient is φ = 91412315520.

The previous prime is 228533912839. The next prime is 228533912891. The reversal of 228533912870 is 78219335822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071047 + ... + 1266573.

It is an arithmetic number, because the mean of its divisors is an integer number (25710416658).

Almost surely, 2228533912870 is an apocalyptic number.

228533912870 is a deficient number, since it is larger than the sum of its proper divisors (182832753658).

228533912870 is a wasteful number, since it uses less digits than its factorization.

228533912870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312415.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 228533912870 in words is "two hundred twenty-eight billion, five hundred thirty-three million, nine hundred twelve thousand, eight hundred seventy".

Divisors: 1 2 5 10 116881 195527 233762 391054 584405 977635 1168810 1955270 22853391287 45706782574 114266956435 228533912870