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144457920703888 = 241150310611537961
BaseRepresentation
bin100000110110001000111011…
…000011000110110110010000
3200221111001010212112020020021
4200312020323003012312100
5122413244310200011023
61231123015210553224
742266511641044141
oct4066107303066620
9627431125466207
10144457920703888
1142035295255330
1214250ab5438814
13627b4288853cc
142795b2d065ac8
1511a7a36cba35d
hex83623b0c6d90

144457920703888 has 80 divisors (see below), whose sum is σ = 306227083462272. Its totient is φ = 65470342016000.

The previous prime is 144457920703849. The next prime is 144457920703903. The reversal of 144457920703888 is 888307029754441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93159228 + ... + 94697188.

Almost surely, 2144457920703888 is an apocalyptic number.

It is an amenable number.

144457920703888 is an abundant number, since it is smaller than the sum of its proper divisors (161769162758384).

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

144457920703888 is a wasteful number, since it uses less digits than its factorization.

144457920703888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539544 (or 1539538 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 144457920703888 in words is "one hundred forty-four trillion, four hundred fifty-seven billion, nine hundred twenty million, seven hundred three thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 503 1006 1061 2012 2122 4024 4244 5533 8048 8488 11066 11671 16976 22132 23342 44264 46684 88528 93368 186736 533683 1067366 1537961 2134732 3075922 4269464 5870513 6151844 8538928 11741026 12303688 16917571 23482052 24607376 33835142 46964104 67670284 93928208 135340568 270681136 773594383 1547188766 1631776621 3094377532 3263553242 6188755064 6527106484 8509538213 12377510128 13054212968 17019076426 17949542831 26108425936 34038152852 35899085662 68076305704 71798171324 136152611408 143596342648 287192685296 820783640363 1641567280726 3283134561452 6566269122904 9028620043993 13132538245808 18057240087986 36114480175972 72228960351944 144457920703888