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40231202212100 = 22522928081494029
BaseRepresentation
bin10010010010111000011101…
…00001000100100100000100
312021110001202122200022011002
421021130032201010210010
520233122000231241400
6221321543102032432
711321415460320104
oct1111341641044404
9167401678608132
1040231202212100
1111900a58907019
1246190b0278718
13195aa2b069023
149d12b454d204
1549b78c5e0ed5
hex24970e844904

40231202212100 has 72 divisors (see below), whose sum is σ = 90315511494600. Its totient is φ = 15536982988800.

The previous prime is 40231202212099. The next prime is 40231202212111. The reversal of 40231202212100 is 121220213204.

It can be written as a sum of positive squares in 12 ways, for example, as 3788223824896 + 36442978387204 = 1946336^2 + 6036802^2 .

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 23 ways as a sum of consecutive naturals, for example, 81187886 + ... + 81681914.

Almost surely, 240231202212100 is an apocalyptic number.

It is an amenable number.

40231202212100 is an abundant number, since it is smaller than the sum of its proper divisors (50084309282500).

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

40231202212100 is a wasteful number, since it uses less digits than its factorization.

40231202212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522153 (or 522146 counting only the distinct ones).

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

Adding to 40231202212100 its reverse (121220213204), we get a palindrome (40352422425304).

The spelling of 40231202212100 in words is "forty trillion, two hundred thirty-one billion, two hundred two million, two hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 28081 56162 112324 140405 280810 494029 561620 702025 814349 988058 1404050 1628698 1976116 2470145 2808100 3257396 4071745 4940290 8143490 9880580 12350725 14326841 16286980 20358725 24701450 28653682 40717450 49402900 57307364 71634205 81434900 143268410 286536820 358171025 716342050 1432684100 13872828349 27745656698 55491313396 69364141745 138728283490 277456566980 346820708725 402312022121 693641417450 804624044242 1387282834900 1609248088484 2011560110605 4023120221210 8046240442420 10057800553025 20115601106050 40231202212100