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144154021340 = 22574125113941
BaseRepresentation
bin1000011001000000111…
…1111100110111011100
3111210002100020000202102
42012100033330313130
54330211412140330
6150120132544232
713262161651460
oct2062017746734
9453070200672
10144154021340
115615420692a
1223b30a82078
131079438caa4
146d971d64a0
153b3a76c945
hex21903fcddc

144154021340 has 48 divisors (see below), whose sum is σ = 354407949504. Its totient is φ = 48218764800.

The previous prime is 144154021331. The next prime is 144154021379. The reversal of 144154021340 is 43120451441.

It is a congruent number.

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, 12551231 + ... + 12562710.

It is an arithmetic number, because the mean of its divisors is an integer number (7383498948).

Almost surely, 2144154021340 is an apocalyptic number.

144154021340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144154021340 is an abundant number, since it is smaller than the sum of its proper divisors (210253928164).

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

144154021340 is a wasteful number, since it uses less digits than its factorization.

144154021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25113998 (or 25113996 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 144154021340 its reverse (43120451441), we get a palindrome (187274472781).

The spelling of 144154021340 in words is "one hundred forty-four billion, one hundred fifty-four million, twenty-one thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 820 1148 1435 2870 5740 25113941 50227882 100455764 125569705 175797587 251139410 351595174 502278820 703190348 878987935 1029671581 1757975870 2059343162 3515951740 4118686324 5148357905 7207701067 10296715810 14415402134 20593431620 28830804268 36038505335 72077010670 144154021340