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1230123020304 = 243142717959049
BaseRepresentation
bin10001111001101001000…
…010111011000000010000
311100121011101111002111010
4101321221002323000100
5130123242443122204
62341035525250520
7154605411102453
oct21715102730020
94317141432433
101230123020304
114347684150a2
1217a4a5863a40
138c0002c3689
144377703749a
1521ee9514d89
hex11e690bb010

1230123020304 has 40 divisors (see below), whose sum is σ = 3180044901600. Its totient is φ = 409753639168.

The previous prime is 1230123020279. The next prime is 1230123020309. The reversal of 1230123020304 is 4030203210321.

It is not an unprimeable number, because it can be changed into a prime (1230123020309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911029 + ... + 9048020.

It is an arithmetic number, because the mean of its divisors is an integer number (79501122540).

Almost surely, 21230123020304 is an apocalyptic number.

It is an amenable number.

1230123020304 is an abundant number, since it is smaller than the sum of its proper divisors (1949921881296).

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

1230123020304 is a wasteful number, since it uses less digits than its factorization.

1230123020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960487 (or 17960481 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1230123020304 its reverse (4030203210321), we get a palindrome (5260326230625).

The spelling of 1230123020304 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, twenty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1427 2854 4281 5708 8562 11416 17124 22832 34248 68496 17959049 35918098 53877147 71836196 107754294 143672392 215508588 287344784 431017176 862034352 25627562923 51255125846 76882688769 102510251692 153765377538 205020503384 307530755076 410041006768 615061510152 1230123020304