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242250515430020 = 22544812703085421
BaseRepresentation
bin110111000101001101010111…
…111010110011101010000100
31011202201220220221101100000222
4313011031113322303222010
5223223013023422230040
62215120203405523512
7102012010414036526
oct6705152772635204
91152656827340028
10242250515430020
1170208959558679
1223205933573598
13a523182ba4c66
1443b6db7a11a16
151d01759e67bb5
hexdc5357eb3a84

242250515430020 has 24 divisors (see below), whose sum is σ = 508839612178968. Its totient is φ = 96878581452800.

The previous prime is 242250515430013. The next prime is 242250515430103. The reversal of 242250515430020 is 20034515052242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39291058354564 + 202959457075456 = 6268258^2 + 14246384^2 .

It is a super-2 number, since 2×2422505154300202 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351453091 + ... + 1351632330.

It is an arithmetic number, because the mean of its divisors is an integer number (21201650507457).

Almost surely, 2242250515430020 is an apocalyptic number.

242250515430020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242250515430020 is an abundant number, since it is smaller than the sum of its proper divisors (266589096748948).

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

242250515430020 is a wasteful number, since it uses less digits than its factorization.

242250515430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703089911 (or 2703089909 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 242250515430020 in words is "two hundred forty-two trillion, two hundred fifty billion, five hundred fifteen million, four hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 4481 8962 17924 22405 44810 89620 2703085421 5406170842 10812341684 13515427105 27030854210 54061708420 12112525771501 24225051543002 48450103086004 60562628857505 121125257715010 242250515430020