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74525142930 = 2357354881633
BaseRepresentation
bin100010101101000001…
…0110110111110010010
321010100210012111222220
41011122002312332102
52210111414033210
654123020241510
75245542156120
oct1053202667622
9233323174886
1074525142930
1129673555a17
121253a3a0296
137048ab5414
14386d9c8910
151e12a18c70
hex115a0b6f92

74525142930 has 32 divisors (see below), whose sum is σ = 204411821184. Its totient is φ = 17034318336.

The previous prime is 74525142899. The next prime is 74525142959. The reversal of 74525142930 is 3924152547.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177440607 + ... + 177441026.

It is an arithmetic number, because the mean of its divisors is an integer number (6387869412).

Almost surely, 274525142930 is an apocalyptic number.

74525142930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74525142930 is an abundant number, since it is smaller than the sum of its proper divisors (129886678254).

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

74525142930 is a wasteful number, since it uses less digits than its factorization.

74525142930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354881650.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 74525142930 in words is "seventy-four billion, five hundred twenty-five million, one hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 354881633 709763266 1064644899 1774408165 2129289798 2484171431 3548816330 4968342862 5323224495 7452514293 10646448990 12420857155 14905028586 24841714310 37262571465 74525142930