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140231044100 = 22527457557787
BaseRepresentation
bin1000001010011001101…
…0111110110000000100
3111101221221110010200002
42002212122332300010
54244143121402400
6144230553540432
713063025131160
oct2024632766004
9441857403602
10140231044100
115452084aa84
1223217114718
13102ba6c8594
146b041b1ca0
1539ab15ded5
hex20a66bec04

140231044100 has 144 divisors (see below), whose sum is σ = 349603373952. Its totient is φ = 47827031040.

The previous prime is 140231044097. The next prime is 140231044127. The reversal of 140231044100 is 1440132041.

It is a super-2 number, since 2×1402310441002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178183907 + ... + 178184693.

It is an arithmetic number, because the mean of its divisors is an integer number (2427801208).

Almost surely, 2140231044100 is an apocalyptic number.

140231044100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140231044100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174801686976).

140231044100 is an abundant number, since it is smaller than the sum of its proper divisors (209372329852).

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

140231044100 is a wasteful number, since it uses less digits than its factorization.

140231044100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140231044100 its reverse (1440132041), we get a palindrome (141671176141).

The spelling of 140231044100 in words is "one hundred forty billion, two hundred thirty-one million, forty-four thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 457 557 700 787 914 1114 1574 1828 2228 2285 2785 3148 3199 3899 3935 4570 5509 5570 6398 7798 7870 9140 11018 11140 11425 12796 13925 15596 15740 15995 19495 19675 22036 22850 27545 27850 31990 38990 39350 45700 55090 55700 63980 77980 78700 79975 97475 110180 137725 159950 194950 254549 275450 319900 359659 389900 438359 509098 550900 719318 876718 1018196 1272745 1438636 1753436 1781843 1798295 2191795 2517613 2545490 3068513 3563686 3596590 4383590 5035226 5090980 6137026 6363725 7127372 7193180 8767180 8909215 8991475 10070452 10958975 12274052 12588065 12727450 15342565 17818430 17982950 21917950 25176130 25454900 30685130 35636860 35965900 43835900 44546075 50352260 61370260 62940325 76712825 89092150 125880650 153425650 178184300 200330063 251761300 306851300 400660126 801320252 1001650315 1402310441 2003300630 2804620882 4006601260 5008251575 5609241764 7011552205 10016503150 14023104410 20033006300 28046208820 35057761025 70115522050 140231044100