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74549942418 = 2371774998629
BaseRepresentation
bin100010101101110000…
…1011101100010010010
321010102111212110111110
41011123201131202102
52210134241124133
654125303554150
75246263024620
oct1053341354222
9233374773443
1074549942418
1129686554166
121254675b956
137050c89283
143873002510
151e14cb6c63
hex115b85d892

74549942418 has 16 divisors (see below), whose sum is σ = 170399868480. Its totient is φ = 21299983536.

The previous prime is 74549942407. The next prime is 74549942431. The reversal of 74549942418 is 81424994547.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 887499273 + ... + 887499356.

It is an arithmetic number, because the mean of its divisors is an integer number (10649991780).

Almost surely, 274549942418 is an apocalyptic number.

74549942418 is an abundant number, since it is smaller than the sum of its proper divisors (95849926062).

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

74549942418 is a wasteful number, since it uses less digits than its factorization.

74549942418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774998641.

The product of its digits is 11612160, while the sum is 57.

The spelling of 74549942418 in words is "seventy-four billion, five hundred forty-nine million, nine hundred forty-two thousand, four hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 1774998629 3549997258 5324995887 10649991774 12424990403 24849980806 37274971209 74549942418