Search a number
-
+
230405770052620 = 225263148729457551
BaseRepresentation
bin110100011000110110000110…
…000101000000010000001100
31010012210120120021021020012221
4310120312012011000100030
5220144432004113140440
62134010541033105124
766350160525366631
oct6430660605002014
91105716507236187
10230405770052620
11674615a158a728
1221a122222581a4
139b7422b593b86
1440c79ad606188
151b985b20c6d4a
hexd18d8614040c

230405770052620 has 48 divisors (see below), whose sum is σ = 486018500825088. Its totient is φ = 91750134852800.

The previous prime is 230405770052599. The next prime is 230405770052621. The reversal of 230405770052620 is 26250077504032.

It is not an unprimeable number, because it can be changed into a prime (230405770052621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6907156 + ... + 22550395.

It is an arithmetic number, because the mean of its divisors is an integer number (10125385433856).

Almost surely, 2230405770052620 is an apocalyptic number.

230405770052620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230405770052620 is an abundant number, since it is smaller than the sum of its proper divisors (255612730772468).

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

230405770052620 is a wasteful number, since it uses less digits than its factorization.

230405770052620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29459310 (or 29459308 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 230405770052620 in words is "two hundred thirty trillion, four hundred five billion, seven hundred seventy million, fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 263 526 1052 1315 1487 2630 2974 5260 5948 7435 14870 29740 391081 782162 1564324 1955405 3910810 7821620 29457551 58915102 117830204 147287755 294575510 589151020 7747335913 15494671826 30989343652 38736679565 43803378337 77473359130 87606756674 154946718260 175213513348 219016891685 438033783370 876067566740 11520288502631 23040577005262 46081154010524 57601442513155 115202885026310 230405770052620