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20174000672 = 257233915761
BaseRepresentation
bin10010110010011101…
…101101001000100000
31221001221221102022002
4102302131231020200
5312304021010142
613133502503132
71312634114330
oct226235551040
957057842262
1020174000672
118612774331
123ab0294aa8
131b9675ac07
14d9545b0c0
157d118ba32
hex4b276d220

20174000672 has 48 divisors (see below), whose sum is σ = 47365057152. Its totient is φ = 8270085120.

The previous prime is 20174000659. The next prime is 20174000683. The reversal of 20174000672 is 27600047102.

It is a super-2 number, since 2×201740006722 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952729 + ... + 1963032.

It is an arithmetic number, because the mean of its divisors is an integer number (986772024).

Almost surely, 220174000672 is an apocalyptic number.

It is an amenable number.

20174000672 is an abundant number, since it is smaller than the sum of its proper divisors (27191056480).

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

20174000672 is a wasteful number, since it uses less digits than its factorization.

20174000672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915801 (or 3915793 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 20174000672 its reverse (27600047102), we get a palindrome (47774047774).

The spelling of 20174000672 in words is "twenty billion, one hundred seventy-four million, six hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 92 112 161 184 224 322 368 644 736 1288 2576 5152 3915761 7831522 15663044 27410327 31326088 54820654 62652176 90062503 109641308 125304352 180125006 219282616 360250012 438565232 630437521 720500024 877130464 1260875042 1441000048 2521750084 2882000096 5043500168 10087000336 20174000672