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140066740068 = 2231713710314861
BaseRepresentation
bin1000001001110010100…
…0001101011101100100
3111101112111021121220120
42002130220031131210
54243324041140233
6144202404201540
713055661434523
oct2023450153544
9441474247816
10140066740068
1154447028a22
12231900992b0
131029265ba68
146aca4424ba
15399ba064b3
hex209ca0d764

140066740068 has 96 divisors (see below), whose sum is σ = 348983002368. Its totient is φ = 43570483200.

The previous prime is 140066740061. The next prime is 140066740097. The reversal of 140066740068 is 860047660041.

It is not an unprimeable number, because it can be changed into a prime (140066740061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28811958 + ... + 28816818.

It is an arithmetic number, because the mean of its divisors is an integer number (3635239608).

Almost surely, 2140066740068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140066740068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174491501184).

140066740068 is an abundant number, since it is smaller than the sum of its proper divisors (208916262300).

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

140066740068 is a wasteful number, since it uses less digits than its factorization.

140066740068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053 (or 6051 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 140066740068 in words is "one hundred forty billion, sixty-six million, seven hundred forty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 137 204 274 411 548 822 1031 1644 2062 2329 3093 4124 4658 4861 6186 6987 9316 9722 12372 13974 14583 17527 19444 27948 29166 35054 52581 58332 70108 82637 105162 141247 165274 210324 247911 282494 330548 423741 495822 564988 665957 847482 991644 1331914 1694964 1997871 2401199 2663828 3995742 4802398 5011691 7203597 7991484 9604796 10023382 11321269 14407194 15035073 20046764 22642538 28814388 30070146 33963807 45285076 60140292 67927614 85198747 135855228 170397494 255596241 340794988 511192482 686601667 1022384964 1373203334 2059805001 2746406668 4119610002 8239220004 11672228339 23344456678 35016685017 46688913356 70033370034 140066740068