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140042431414400 = 2752172574309401
BaseRepresentation
bin11111110101111000101011…
…011000001100000010000000
3200100211220222211102201121212
4133311320223120030002000
5121323423344420230100
61213502334351305252
741332506000252434
oct3765705330140200
9610756884381555
10140042431414400
11406927306a8979
12138591b2b1b228
13601ac3842a5b8
1426821387749c4
15112cc596a2635
hex7f5e2b60c080

140042431414400 has 96 divisors (see below), whose sum is σ = 366298484810580. Its totient is φ = 52721856512000.

The previous prime is 140042431414339. The next prime is 140042431414409. The reversal of 140042431414400 is 4414134240041.

It can be written as a sum of positive squares in 6 ways, for example, as 78254405207104 + 61788026207296 = 8846152^2 + 7860536^2 .

It is a super-2 number, since 2×1400424314144002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (140042431414409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287100301 + ... + 1287209100.

Almost surely, 2140042431414400 is an apocalyptic number.

140042431414400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140042431414400 is an abundant number, since it is smaller than the sum of its proper divisors (226256053396180).

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

140042431414400 is a wasteful number, since it uses less digits than its factorization.

140042431414400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574309442 (or 2574309425 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140042431414400 its reverse (4414134240041), we get a palindrome (144456565654441).

The spelling of 140042431414400 in words is "one hundred forty trillion, forty-two billion, four hundred thirty-one million, four hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 160 170 200 272 320 340 400 425 544 640 680 800 850 1088 1360 1600 1700 2176 2720 3200 3400 5440 6800 10880 13600 27200 54400 2574309401 5148618802 10297237604 12871547005 20594475208 25743094010 41188950416 43763259817 51486188020 64357735025 82377900832 87526519634 102972376040 128715470050 164755801664 175053039268 205944752080 218816299085 257430940100 329511603328 350106078536 411889504160 437632598170 514861880200 700212157072 823779008320 875265196340 1029723760400 1094081495425 1400424314144 1647558016640 1750530392680 2059447520800 2188162990850 2800848628288 3501060785360 4118895041600 4376325981700 5601697256576 7002121570720 8237790083200 8752651963400 14004243141440 17505303926800 28008486282880 35010607853600 70021215707200 140042431414400