Search a number
-
+
1023212220103 = 1079562731029
BaseRepresentation
bin11101110001111000011…
…00110110111011000111
310121211002102022101022201
432320330030312323013
5113231014312020403
62102020204535331
7133632103240063
oct16707414667307
93554072271281
101023212220103
11364a3a694477
1214637b851547
1375647300218
14377491b8aa3
151b9394e621d
hexee3c336ec7

1023212220103 has 4 divisors (see below), whose sum is σ = 1032774951240. Its totient is φ = 1013649488968.

The previous prime is 1023212220083. The next prime is 1023212220119. The reversal of 1023212220103 is 3010222123201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023212220103 - 25 = 1023212220071 is a prime.

It is a super-2 number, since 2×10232122201032 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023212229103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4781365408 + ... + 4781365621.

It is an arithmetic number, because the mean of its divisors is an integer number (258193737810).

Almost surely, 21023212220103 is an apocalyptic number.

1023212220103 is a deficient number, since it is larger than the sum of its proper divisors (9562731137).

1023212220103 is an equidigital number, since it uses as much as digits as its factorization.

1023212220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562731136.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1023212220103 its reverse (3010222123201), we get a palindrome (4033434343304).

The spelling of 1023212220103 in words is "one trillion, twenty-three billion, two hundred twelve million, two hundred twenty thousand, one hundred three".

Divisors: 1 107 9562731029 1023212220103