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74576216213 = 211405787119
BaseRepresentation
bin100010101110100010…
…1101100000010010101
321010111100022022100222
41011131011230002111
52210213002404323
654132043044125
75250032243612
oct1053505540225
9233440268328
1074576216213
112969a36a044
1212553510645
1370565581b5
1438766c1509
151e172569c8
hex115d16c095

74576216213 has 8 divisors (see below), whose sum is σ = 74948987520. Its totient is φ = 74203627680.

The previous prime is 74576216177. The next prime is 74576216251. The reversal of 74576216213 is 31261267547.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74576216213 - 230 = 73502474389 is a prime.

It is a super-2 number, since 2×745762162132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74576216263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812468 + ... + 899586.

It is an arithmetic number, because the mean of its divisors is an integer number (9368623440).

Almost surely, 274576216213 is an apocalyptic number.

It is an amenable number.

74576216213 is a deficient number, since it is larger than the sum of its proper divisors (372771307).

74576216213 is a wasteful number, since it uses less digits than its factorization.

74576216213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91387.

The product of its digits is 423360, while the sum is 44.

The spelling of 74576216213 in words is "seventy-four billion, five hundred seventy-six million, two hundred sixteen thousand, two hundred thirteen".

Divisors: 1 211 4057 87119 856027 18382109 353441783 74576216213