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74994450220 = 2253749722511
BaseRepresentation
bin100010111011000000…
…1000111111100101100
321011120111021210120101
41011312001013330230
52212042034401340
654241343200444
75263301211004
oct1056601077454
9234514253511
1074994450220
1129894459488
121264b5a6124
1370c20b2141
1438b6071004
151e3dd1cc9a
hex1176047f2c

74994450220 has 12 divisors (see below), whose sum is σ = 157488345504. Its totient is φ = 29997780080.

The previous prime is 74994450197. The next prime is 74994450227. The reversal of 74994450220 is 2205449947.

It is not an unprimeable number, because it can be changed into a prime (74994450227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874861236 + ... + 1874861275.

It is an arithmetic number, because the mean of its divisors is an integer number (13124028792).

Almost surely, 274994450220 is an apocalyptic number.

It is an amenable number.

74994450220 is an abundant number, since it is smaller than the sum of its proper divisors (82493895284).

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

74994450220 is a wasteful number, since it uses less digits than its factorization.

74994450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749722520 (or 3749722518 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 74994450220 in words is "seventy-four billion, nine hundred ninety-four million, four hundred fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3749722511 7499445022 14998890044 18748612555 37497225110 74994450220