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140212231000 = 23531013913829
BaseRepresentation
bin1000001010010101001…
…1001101101101011000
3111101220122001022221121
42002211103031231120
54244123312343000
6144225042415024
713062406204402
oct2024523155530
9441818038847
10140212231000
1154511170466
1223210961474
13102b683c47a
146b018b5b72
1539a9694b1a
hex20a54cdb58

140212231000 has 64 divisors (see below), whose sum is σ = 328152708000. Its totient is φ = 56075305600.

The previous prime is 140212230959. The next prime is 140212231001. The reversal of 140212231000 is 132212041.

It is a super-2 number, since 2×1402122310002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140212231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10132086 + ... + 10145914.

Almost surely, 2140212231000 is an apocalyptic number.

140212231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140212231000 is an abundant number, since it is smaller than the sum of its proper divisors (187940477000).

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

140212231000 is a wasteful number, since it uses less digits than its factorization.

140212231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23989 (or 23975 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 140212231000 its reverse (132212041), we get a palindrome (140344443041).

The spelling of 140212231000 in words is "one hundred forty billion, two hundred twelve million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 10139 13829 20278 27658 40556 50695 55316 69145 81112 101390 110632 138290 202780 253475 276580 345725 405560 506950 553160 691450 1013900 1267375 1382900 1728625 2027800 2534750 2765800 3457250 5069500 6914500 10139000 13829000 140212231 280424462 560848924 701061155 1121697848 1402122310 2804244620 3505305775 5608489240 7010611550 14021223100 17526528875 28042446200 35053057750 70106115500 140212231000