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1378403710468 = 221721192390753
BaseRepresentation
bin10100000011101111010…
…000110111011000000100
311212202220022202121122121
4110003233100313120010
5140040432322213333
62533121355135324
7201405062135551
oct24035720673004
94782808677577
101378403710468
11491639a61324
121a3188744544
139cca15c5325
144aa02317a28
1525cc71c932d
hex140ef437604

1378403710468 has 18 divisors (see below), whose sum is σ = 2562447730346. Its totient is φ = 648660569088.

The previous prime is 1378403710429. The next prime is 1378403710493. The reversal of 1378403710468 is 8640173048731.

It can be written as a sum of positive squares in 3 ways, for example, as 329565550084 + 1048838160384 = 574078^2 + 1024128^2 .

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, 596194221 + ... + 596196532.

Almost surely, 21378403710468 is an apocalyptic number.

It is an amenable number.

1378403710468 is a deficient number, since it is larger than the sum of its proper divisors (1184044019878).

1378403710468 is a wasteful number, since it uses less digits than its factorization.

1378403710468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192390791 (or 1192390772 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 1378403710468 in words is "one trillion, three hundred seventy-eight billion, four hundred three million, seven hundred ten thousand, four hundred sixty-eight".

Divisors: 1 2 4 17 34 68 289 578 1156 1192390753 2384781506 4769563012 20270642801 40541285602 81082571204 344600927617 689201855234 1378403710468