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20344510251324 = 22327128362924539
BaseRepresentation
bin1001010000000110100110…
…10011101000000100111100
32200000220201220021120120200
410220003103103220010330
510131311024111020244
6111134050004243500
74166561633602650
oct450032323500474
980026656246520
1020344510251324
116534070724a06
122346a9b3a0590
13b4762c71a75c
14504972984a60
15254319e92669
hex1280d34e813c

20344510251324 has 72 divisors (see below), whose sum is σ = 58818839614080. Its totient is φ = 5808186555552.

The previous prime is 20344510251313. The next prime is 20344510251371. The reversal of 20344510251324 is 42315201544302.

It is a happy number.

20344510251324 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 4 + 510 + 2 + 5 + 132 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31138954 + ... + 31785585.

Almost surely, 220344510251324 is an apocalyptic number.

It is an amenable number.

20344510251324 is an abundant number, since it is smaller than the sum of its proper divisors (38474329362756).

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

20344510251324 is a wasteful number, since it uses less digits than its factorization.

20344510251324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62925839 (or 62925834 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 20344510251324 its reverse (42315201544302), we get a palindrome (62659711795626).

The spelling of 20344510251324 in words is "twenty trillion, three hundred forty-four billion, five hundred ten million, two hundred fifty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1283 2566 3849 5132 7698 8981 11547 15396 17962 23094 26943 35924 46188 53886 80829 107772 161658 323316 62924539 125849078 188773617 251698156 377547234 440471773 566320851 755094468 880943546 1132641702 1321415319 1761887092 2265283404 2642830638 3964245957 5285661276 7928491914 15856983828 80732183537 161464367074 242196550611 322928734148 484393101222 565125284759 726589651833 968786202444 1130250569518 1453179303666 1695375854277 2260501139036 2906358607332 3390751708554 5086127562831 6781503417108 10172255125662 20344510251324