Search a number
-
+
221230001023010 = 25717074918509207
BaseRepresentation
bin110010010011010100011111…
…100111111110100000100010
31002000022101022011000112212222
4302103110133213332200202
5212444113020230214020
62102303354234151042
764412224442462030
oct6223243747764042
91060271264015788
10221230001023010
116454413113a071
122098ba33882482
139659b904c0225
143c8b8369dd550
151a89a7788cb25
hexc9351f9fe822

221230001023010 has 32 divisors (see below), whose sum is σ = 455104406304000. Its totient is φ = 75849837746112.

The previous prime is 221230001023001. The next prime is 221230001023091. The reversal of 221230001023010 is 10320100032122.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 221230001023010.

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, 2697827 + ... + 21207033.

It is an arithmetic number, because the mean of its divisors is an integer number (14222012697000).

Almost surely, 2221230001023010 is an apocalyptic number.

221230001023010 is an abundant number, since it is smaller than the sum of its proper divisors (233874405280990).

221230001023010 is a wasteful number, since it uses less digits than its factorization.

221230001023010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18679970.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221230001023010 its reverse (10320100032122), we get a palindrome (231550101055132).

The spelling of 221230001023010 in words is "two hundred twenty-one trillion, two hundred thirty billion, one million, twenty-three thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 170749 341498 853745 1195243 1707490 2390486 5976215 11952430 18509207 37018414 92546035 129564449 185092070 259128898 647822245 1295644490 3160428586043 6320857172086 15802142930215 22123000102301 31604285860430 44246000204602 110615000511505 221230001023010