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1230142342400 = 2852192209741
BaseRepresentation
bin10001111001101010001…
…100101000010100000000
311100121012201211202102022
4101321222030220110000
5130123312414424100
62341041455341012
7154606034246216
oct21715214502400
94317181752368
101230142342400
11434778312074
1217a4b0221768
138c0042ca37a
1443779826cb6
1521eeb07ee85
hex11e6a328500

1230142342400 has 54 divisors (see below), whose sum is σ = 3044794523022. Its totient is φ = 492056934400.

The previous prime is 1230142342357. The next prime is 1230142342411. The reversal of 1230142342400 is 42432410321.

It can be written as a sum of positive squares in 3 ways, for example, as 12138750976 + 1218003591424 = 110176^2 + 1103632^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1230142342400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96098471 + ... + 96111270.

Almost surely, 21230142342400 is an apocalyptic number.

1230142342400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230142342400 is an abundant number, since it is smaller than the sum of its proper divisors (1814652180622).

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

1230142342400 is an equidigital number, since it uses as much as digits as its factorization.

1230142342400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192209767 (or 192209748 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1230142342400 its reverse (42432410321), we get a palindrome (1272574752721).

The spelling of 1230142342400 in words is "one trillion, two hundred thirty billion, one hundred forty-two million, three hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 192209741 384419482 768838964 961048705 1537677928 1922097410 3075355856 3844194820 4805243525 6150711712 7688389640 9610487050 12301423424 15376779280 19220974100 24602846848 30753558560 38441948200 49205693696 61507117120 76883896400 123014234240 153767792800 246028468480 307535585600 615071171200 1230142342400