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842520072801 = 31125530911297
BaseRepresentation
bin11000100001010100001…
…11000001001001100001
32222112200200011020110210
430100222013001021201
5102300440114312201
61443014241044333
7114604301312601
oct14205207011141
92875620136423
10842520072801
112a5346686830
121173523266a9
13615ac168974
142cac74cac01
1516db116c1d6
hexc42a1c1261

842520072801 has 8 divisors (see below), whose sum is σ = 1225483742304. Its totient is φ = 510618225920.

The previous prime is 842520072769. The next prime is 842520072809. The reversal of 842520072801 is 108270025248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 842520072801 - 25 = 842520072769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842520072801.

It is not an unprimeable number, because it can be changed into a prime (842520072809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12765455616 + ... + 12765455681.

It is an arithmetic number, because the mean of its divisors is an integer number (153185467788).

Almost surely, 2842520072801 is an apocalyptic number.

It is an amenable number.

842520072801 is a deficient number, since it is larger than the sum of its proper divisors (382963669503).

842520072801 is a wasteful number, since it uses less digits than its factorization.

842520072801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530911311.

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 842520072801 in words is "eight hundred forty-two billion, five hundred twenty million, seventy-two thousand, eight hundred one".

Divisors: 1 3 11 33 25530911297 76592733891 280840024267 842520072801