Search a number
-
+
1230455402340 = 223520507590039
BaseRepresentation
bin10001111001111100110…
…110110110111101100100
311100122000112220211220220
4101321330312312331210
5130124433040333330
62341132521324340
7154616555231343
oct21717466667544
94318015824826
101230455402340
11434918aa669a
1217a5790366b0
138c05411b738
14437a9239b5a
15220187bd710
hex11e7cdb6f64

1230455402340 has 24 divisors (see below), whose sum is σ = 3445275126720. Its totient is φ = 328121440608.

The previous prime is 1230455402291. The next prime is 1230455402359. The reversal of 1230455402340 is 432045540321.

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, 10253794960 + ... + 10253795079.

It is an arithmetic number, because the mean of its divisors is an integer number (143553130280).

Almost surely, 21230455402340 is an apocalyptic number.

1230455402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230455402340 is an abundant number, since it is smaller than the sum of its proper divisors (2214819724380).

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

1230455402340 is a wasteful number, since it uses less digits than its factorization.

1230455402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20507590051 (or 20507590049 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 1230455402340 in words is "one trillion, two hundred thirty billion, four hundred fifty-five million, four hundred two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20507590039 41015180078 61522770117 82030360156 102537950195 123045540234 205075900390 246091080468 307613850585 410151800780 615227701170 1230455402340