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754642003140 = 22345465828397
BaseRepresentation
bin10101111101101000010…
…10110010010011000100
32200010212022001202120000
422332310022302103010
544331001323100030
61334402221041300
7105343506122064
oct12766412622304
92603768052500
10754642003140
11271050812383
121023080b6230
1356215b4248c
142874c3473a4
151496b23a860
hexafb42b24c4

754642003140 has 60 divisors (see below), whose sum is σ = 2367339918636. Its totient is φ = 201237867072.

The previous prime is 754642003127. The next prime is 754642003147. The reversal of 754642003140 is 41300246457.

754642003140 is a `hidden beast` number, since 7 + 5 + 4 + 642 + 0 + 0 + 3 + 1 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 132414476544 + 622227526596 = 363888^2 + 788814^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 754642003095 and 754642003104.

It is not an unprimeable number, because it can be changed into a prime (754642003147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 232912579 + ... + 232915818.

Almost surely, 2754642003140 is an apocalyptic number.

It is an amenable number.

754642003140 is an abundant number, since it is smaller than the sum of its proper divisors (1612697915496).

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

754642003140 is a wasteful number, since it uses less digits than its factorization.

754642003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465828418 (or 465828407 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 754642003140 its reverse (41300246457), we get a palindrome (795942249597).

The spelling of 754642003140 in words is "seven hundred fifty-four billion, six hundred forty-two million, three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 465828397 931656794 1397485191 1863313588 2329141985 2794970382 4192455573 4658283970 5589940764 6987425955 8384911146 9316567940 12577366719 13974851910 16769822292 20962277865 25154733438 27949703820 37732100157 41924555730 50309466876 62886833595 75464200314 83849111460 125773667190 150928400628 188660500785 251547334380 377321001570 754642003140