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74948221050 = 23523116117897
BaseRepresentation
bin100010111001101000…
…0110001100001111010
321011110021022010001220
41011303100301201322
52211443221033200
654233012252510
75262200240043
oct1056320614172
9234407263056
1074948221050
112987035385a
1212638011136
1370b56471c1
1438adc798ca
151e39c3a4a0
hex117343187a

74948221050 has 48 divisors (see below), whose sum is σ = 191867457792. Its totient is φ = 19341475200.

The previous prime is 74948221043. The next prime is 74948221057. The reversal of 74948221050 is 5012284947.

It is an interprime number because it is at equal distance from previous prime (74948221043) and next prime (74948221057).

It is a junction number, because it is equal to n+sod(n) for n = 74948220993 and 74948221011.

It is not an unprimeable number, because it can be changed into a prime (74948221057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8054299 + ... + 8063598.

It is an arithmetic number, because the mean of its divisors is an integer number (3997238704).

Almost surely, 274948221050 is an apocalyptic number.

74948221050 is an abundant number, since it is smaller than the sum of its proper divisors (116919236742).

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

74948221050 is a wasteful number, since it uses less digits than its factorization.

74948221050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117943 (or 16117938 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 74948221050 in words is "seventy-four billion, nine hundred forty-eight million, two hundred twenty-one thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 150 155 186 310 465 775 930 1550 2325 4650 16117897 32235794 48353691 80589485 96707382 161178970 241768455 402947425 483536910 499654807 805894850 999309614 1208842275 1498964421 2417684550 2498274035 2997928842 4996548070 7494822105 12491370175 14989644210 24982740350 37474110525 74948221050