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42015197600 = 2552834791321
BaseRepresentation
bin100111001000010011…
…010000100110100000
311000110010000011220122
4213020103100212200
51142021342310400
631145043255412
73015114200315
oct471023204640
9130403004818
1042015197600
1116900535902
12818697a568
133c6771b18c
1420680a0d0c
15115d89c685
hex9c84d09a0

42015197600 has 144 divisors (see below), whose sum is σ = 104100837120. Its totient is φ = 16556390400.

The previous prime is 42015197561. The next prime is 42015197603. The reversal of 42015197600 is 679151024.

It is not an unprimeable number, because it can be changed into a prime (42015197603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31804940 + ... + 31806260.

It is an arithmetic number, because the mean of its divisors is an integer number (722922480).

Almost surely, 242015197600 is an apocalyptic number.

42015197600 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 42015197600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52050418560).

42015197600 is an abundant number, since it is smaller than the sum of its proper divisors (62085639520).

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

42015197600 is a wasteful number, since it uses less digits than its factorization.

42015197600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 42015197600 in words is "forty-two billion, fifteen million, one hundred ninety-seven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 83 100 160 166 200 332 400 415 479 664 800 830 958 1321 1328 1660 1916 2075 2395 2642 2656 3320 3832 4150 4790 5284 6605 6640 7664 8300 9580 10568 11975 13210 13280 15328 16600 19160 21136 23950 26420 33025 33200 38320 39757 42272 47900 52840 66050 66400 76640 79514 95800 105680 109643 132100 159028 191600 198785 211360 219286 264200 318056 383200 397570 438572 528400 548215 632759 636112 795140 877144 993925 1056800 1096430 1265518 1272224 1590280 1754288 1987850 2192860 2531036 2741075 3163795 3180560 3508576 3975700 4385720 5062072 5482150 6327590 6361120 7951400 8771440 10124144 10964300 12655180 15818975 15902800 17542880 20248288 21928600 25310360 31637950 31805600 43857200 50620720 52518997 63275900 87714400 101241440 105037994 126551800 210075988 253103600 262594985 420151976 506207200 525189970 840303952 1050379940 1312974925 1680607904 2100759880 2625949850 4201519760 5251899700 8403039520 10503799400 21007598800 42015197600