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20457714130674 = 2325190291504501
BaseRepresentation
bin1001010011011001011101…
…10010001001111011110010
32200102201221021100111011220
410221230232302021323302
510140134344304140144
6111302051044245510
74211010140651352
oct451545662117362
980381837314156
1020457714130674
116578082327a97
122364a130a0896
13b55200913b52
1450a231482b62
152572434a2919
hex129b2ec89ef2

20457714130674 has 32 divisors (see below), whose sum is σ = 41083014853440. Its totient is φ = 6791313000000.

The previous prime is 20457714130673. The next prime is 20457714130781. The reversal of 20457714130674 is 47603141775402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20457714130673) 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, 12845424 + ... + 14349924.

It is an arithmetic number, because the mean of its divisors is an integer number (1283844214170).

Almost surely, 220457714130674 is an apocalyptic number.

20457714130674 is an abundant number, since it is smaller than the sum of its proper divisors (20625300722766).

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

20457714130674 is a wasteful number, since it uses less digits than its factorization.

20457714130674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513786.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 20457714130674 in words is "twenty trillion, four hundred fifty-seven billion, seven hundred fourteen million, one hundred thirty thousand, six hundred seventy-four".

Divisors: 1 2 3 6 251 502 753 1506 9029 18058 27087 54174 1504501 2266279 3009002 4513503 4532558 6798837 9027006 13597674 377629751 755259502 1132889253 2265778506 13584139529 27168279058 40752418587 81504837174 3409619021779 6819238043558 10228857065337 20457714130674