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30772254071 = 137332425979
BaseRepresentation
bin11100101010001010…
…110101010101110111
32221102120102110210202
4130222022311111313
51001010144112241
622045300111115
72136364562306
oct345212652567
987376373722
1030772254071
1112061153a39
125b6969549b
132b95381c80
1416bcc3043d
15c0181ed9b
hex72a2b5577

30772254071 has 8 divisors (see below), whose sum is σ = 33593315280. Its totient is φ = 28016044992.

The previous prime is 30772254049. The next prime is 30772254077. The reversal of 30772254071 is 17045227703.

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

It is not a de Polignac number, because 30772254071 - 230 = 29698512247 is a prime.

It is a super-2 number, since 2×307722540712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30772254077) 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, 16212041 + ... + 16213938.

It is an arithmetic number, because the mean of its divisors is an integer number (4199164410).

Almost surely, 230772254071 is an apocalyptic number.

30772254071 is a deficient number, since it is larger than the sum of its proper divisors (2821061209).

30772254071 is a wasteful number, since it uses less digits than its factorization.

30772254071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32426065.

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 30772254071 in words is "thirty billion, seven hundred seventy-two million, two hundred fifty-four thousand, seventy-one".

Divisors: 1 13 73 949 32425979 421537727 2367096467 30772254071