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1230404311402 = 276138313032887
BaseRepresentation
bin10001111001111001110…
…011111101100101101010
311100121212222210011022221
4101321321303331211222
5130124332000431102
62341123454304254
7154615365041230
oct21717163754552
94317788704287
101230404311402
114348a2180282
1217a563ab808a
138c046670906
14437a253a950
152201407a637
hex11e79cfd96a

1230404311402 has 64 divisors (see below), whose sum is σ = 2151834845184. Its totient is φ = 516741301440.

The previous prime is 1230404311393. The next prime is 1230404311427. The reversal of 1230404311402 is 2041134040321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426186403 + ... + 426189289.

It is an arithmetic number, because the mean of its divisors is an integer number (33622419456).

Almost surely, 21230404311402 is an apocalyptic number.

1230404311402 is a deficient number, since it is larger than the sum of its proper divisors (921430533782).

1230404311402 is a wasteful number, since it uses less digits than its factorization.

1230404311402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1230404311402 its reverse (2041134040321), we get a palindrome (3271538351723).

The spelling of 1230404311402 in words is "one trillion, two hundred thirty billion, four hundred four million, three hundred eleven thousand, four hundred two".

Divisors: 1 2 7 14 61 122 383 427 766 854 1303 2606 2681 2887 5362 5774 9121 18242 20209 23363 40418 46726 79483 158966 163541 176107 327082 352214 499049 556381 998098 1105721 1112762 1232749 2211442 2465498 3493343 3761761 6986686 7523522 7740047 15480094 26332327 30441989 52664654 60883978 67448981 134897962 213093923 229467421 426187846 458934842 472142867 944285734 1440754463 1606271947 2881508926 3212543894 10085281241 20170562482 87886022243 175772044486 615202155701 1230404311402