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10230302220 = 2235307555391
BaseRepresentation
bin10011000011100011…
…00000011000001100
3222101222010012101020
421201301200120030
5131422424132340
64411050514140
7511342063665
oct114161403014
928358105336
1010230302220
11437a814526
121b96135950
13c70624188
146d099236c
153ed2009d0
hex261c6060c

10230302220 has 48 divisors (see below), whose sum is σ = 28738203648. Its totient is φ = 2719189440.

The previous prime is 10230302213. The next prime is 10230302239. The reversal of 10230302220 is 2220303201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10230302220.

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, 259276 + ... + 296115.

It is an arithmetic number, because the mean of its divisors is an integer number (598712576).

Almost surely, 210230302220 is an apocalyptic number.

10230302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10230302220 is an abundant number, since it is smaller than the sum of its proper divisors (18507901428).

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

10230302220 is a wasteful number, since it uses less digits than its factorization.

10230302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555710 (or 555708 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 10230302220 its reverse (2220303201), we get a palindrome (12450605421).

The spelling of 10230302220 in words is "ten billion, two hundred thirty million, three hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 307 614 921 1228 1535 1842 3070 3684 4605 6140 9210 18420 555391 1110782 1666173 2221564 2776955 3332346 5553910 6664692 8330865 11107820 16661730 33323460 170505037 341010074 511515111 682020148 852525185 1023030222 1705050370 2046060444 2557575555 3410100740 5115151110 10230302220