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42182738790976 = 26721159792
BaseRepresentation
bin10011001011101011011110…
…01010010100101001000000
312112100122000121001021110001
421211311233022110221000
521012110222112302401
6225414252131445344
711612413406456200
oct1145655712245100
9175318017037401
1042182738790976
1112493665389253
124893369a56854
131a6ca79cbc244
14a5b9267b4400
154d240aa9b601
hex265d6f294a40

42182738790976 has 63 divisors (see below), whose sum is σ = 97373558363619. Its totient is φ = 18078160748928.

The previous prime is 42182738790971. The next prime is 42182738790979. The reversal of 42182738790976 is 67909783728124.

The square root of 42182738790976 is 6494824.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×421827387909762 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42182738790899 and 42182738790908.

It is not an unprimeable number, because it can be changed into a prime (42182738790971) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 363652155 + ... + 363768133.

Almost surely, 242182738790976 is an apocalyptic number.

42182738790976 is the 6494824-th square number.

It is an amenable number.

42182738790976 is an abundant number, since it is smaller than the sum of its proper divisors (55190819572643).

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

42182738790976 is an frugal number, since it uses more digits than its factorization.

42182738790976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231984 (or 115988 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 73.

The spelling of 42182738790976 in words is "forty-two trillion, one hundred eighty-two billion, seven hundred thirty-eight million, seven hundred ninety thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 115979 231958 463916 811853 927832 1623706 1855664 3247412 3711328 5682971 6494824 7422656 11365942 12989648 22731884 25979296 45463768 51958592 90927536 181855072 363710144 13451128441 26902256882 53804513764 94157899087 107609027528 188315798174 215218055056 376631596348 430436110112 659105293609 753263192696 860872220224 1318210587218 1506526385392 2636421174436 3013052770784 5272842348872 6026105541568 10545684697744 21091369395488 42182738790976