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42215107995 = 3255915900229
BaseRepresentation
bin100111010100001101…
…110110110110011011
311000222001011200102100
4213110031312312123
51142424031423440
631220544134443
73023062332414
oct472415666633
9130861150370
1042215107995
11169a3367505
128221907423
133c99c73758
14208685c80b
1511711da230
hex9d4376d9b

42215107995 has 24 divisors (see below), whose sum is σ = 74413076400. Its totient is φ = 22133117376.

The previous prime is 42215107969. The next prime is 42215108009. The reversal of 42215107995 is 59970151224.

42215107995 is a `hidden beast` number, since 42 + 2 + 1 + 510 + 7 + 9 + 95 = 666.

It is not a de Polignac number, because 42215107995 - 27 = 42215107867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42215107995.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7947460 + ... + 7952769.

It is an arithmetic number, because the mean of its divisors is an integer number (3100544850).

Almost surely, 242215107995 is an apocalyptic number.

42215107995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42215107995 is a deficient number, since it is larger than the sum of its proper divisors (32197968405).

42215107995 is a wasteful number, since it uses less digits than its factorization.

42215107995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900299 (or 15900296 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 42215107995 in words is "forty-two billion, two hundred fifteen million, one hundred seven thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 59 177 295 531 885 2655 15900229 47700687 79501145 143102061 238503435 715510305 938113511 2814340533 4690567555 8443021599 14071702665 42215107995