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74052123740 = 22573373156817
BaseRepresentation
bin100010011110111011…
…0011011110001011100
321002010211010122122122
41010331312123301130
52203124320424430
654004042002112
75231036444330
oct1047566336134
9232124118578
1074052123740
1129450547671
1212427aa6338
136ca1ab8cca
143826c577c0
151dd622eee5
hex113dd9bc5c

74052123740 has 48 divisors (see below), whose sum is σ = 177778921152. Its totient is φ = 25381610496.

The previous prime is 74052123721. The next prime is 74052123749. The reversal of 74052123740 is 4732125047.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 74052123740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74052123749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393812 + ... + 550628.

It is an arithmetic number, because the mean of its divisors is an integer number (3703727524).

Almost surely, 274052123740 is an apocalyptic number.

74052123740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74052123740 is an abundant number, since it is smaller than the sum of its proper divisors (103726797412).

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

74052123740 is a wasteful number, since it uses less digits than its factorization.

74052123740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160206 (or 160204 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

Adding to 74052123740 its reverse (4732125047), we get a palindrome (78784248787).

The spelling of 74052123740 in words is "seventy-four billion, fifty-two million, one hundred twenty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3373 6746 13492 16865 23611 33730 47222 67460 94444 118055 156817 236110 313634 472220 627268 784085 1097719 1568170 2195438 3136340 4390876 5488595 10977190 21954380 528943741 1057887482 2115774964 2644718705 3702606187 5289437410 7405212374 10578874820 14810424748 18513030935 37026061870 74052123740