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42032010400 = 2552175358313
BaseRepresentation
bin100111001001010011…
…011001010010100000
311000111021122100201221
4213021103121102200
51142040143313100
631150443504424
73015410123242
oct471123312240
9130437570657
1042032010400
1116909a79586
128190528114
133c6b056993
14206a3da092
1511600be01a
hex9c94d94a0

42032010400 has 144 divisors (see below), whose sum is σ = 110698399224. Its totient is φ = 15524986880.

The previous prime is 42032010373. The next prime is 42032010407. The reversal of 42032010400 is 401023024.

It can be written as a sum of positive squares in 12 ways, for example, as 14368337424 + 27663672976 = 119868^2 + 166324^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (42032010407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 691644 + ... + 749956.

Almost surely, 242032010400 is an apocalyptic number.

42032010400 is a gapful number since it is divisible by the number (40) 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 42032010400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55349199612).

42032010400 is an abundant number, since it is smaller than the sum of its proper divisors (68666388824).

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

42032010400 is a wasteful number, since it uses less digits than its factorization.

42032010400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58403 (or 58390 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42032010400 its reverse (401023024), we get a palindrome (42433033424).

The spelling of 42032010400 in words is "forty-two billion, thirty-two million, ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 53 68 80 85 100 106 136 160 170 200 212 265 272 340 400 424 425 530 544 680 800 848 850 901 1060 1325 1360 1696 1700 1802 2120 2650 2720 3400 3604 4240 4505 5300 6800 7208 8480 9010 10600 13600 14416 18020 21200 22525 28832 36040 42400 45050 58313 72080 90100 116626 144160 180200 233252 291565 360400 466504 583130 720800 933008 991321 1166260 1457825 1866016 1982642 2332520 2915650 3090589 3965284 4665040 4956605 5831300 6181178 7930568 9330080 9913210 11662600 12362356 15452945 15861136 19826420 23325200 24724712 24783025 30905890 31722272 39652840 46650400 49449424 49566050 52540013 61811780 77264725 79305680 98898848 99132100 105080026 123623560 154529450 158611360 198264200 210160052 247247120 262700065 309058900 396528400 420320104 494494240 525400130 618117800 793056800 840640208 1050800260 1236235600 1313500325 1681280416 2101600520 2472471200 2627000650 4203201040 5254001300 8406402080 10508002600 21016005200 42032010400