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42103000400 = 2452295416709
BaseRepresentation
bin100111001101100010…
…001100110101010000
311000200020020000201012
4213031202030311100
51142211332003100
631201501230052
73020231412206
oct471542146520
9130606200635
1042103000400
11169460563aa
1281b0262328
133c7c980cb6
1420759d9076
151166443135
hex9cd88cd50

42103000400 has 120 divisors (see below), whose sum is σ = 104849520600. Its totient is φ = 16227993600.

The previous prime is 42103000363. The next prime is 42103000403. The reversal of 42103000400 is 400030124.

It can be written as a sum of positive squares in 12 ways, for example, as 9381084736 + 32721915664 = 96856^2 + 180892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103000403) 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, 6272246 + ... + 6278954.

It is an arithmetic number, because the mean of its divisors is an integer number (873746005).

Almost surely, 242103000400 is an apocalyptic number.

42103000400 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 42103000400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52424760300).

42103000400 is an abundant number, since it is smaller than the sum of its proper divisors (62746520200).

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

42103000400 is a wasteful number, since it uses less digits than its factorization.

42103000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297 (or 7286 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 42103000400 its reverse (400030124), we get a palindrome (42503030524).

The spelling of 42103000400 in words is "forty-two billion, one hundred three million, four hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 200 232 290 400 464 541 580 725 1082 1160 1450 2164 2320 2705 2900 4328 5410 5800 6709 8656 10820 11600 13418 13525 15689 21640 26836 27050 31378 33545 43280 53672 54100 62756 67090 78445 107344 108200 125512 134180 156890 167725 194561 216400 251024 268360 313780 335450 389122 392225 536720 627560 670900 778244 784450 972805 1255120 1341800 1556488 1568900 1945610 2683600 3112976 3137800 3629569 3891220 4864025 6275600 7259138 7782440 9728050 14518276 15564880 18147845 19456100 29036552 36295690 38912200 58073104 72591380 77824400 90739225 105257501 145182760 181478450 210515002 290365520 362956900 421030004 526287505 725913800 842060008 1052575010 1451827600 1684120016 2105150020 2631437525 4210300040 5262875050 8420600080 10525750100 21051500200 42103000400