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20345363742310 = 2519012368945179
BaseRepresentation
bin1001010000001000001100…
…01011011011111001100110
32200000222221101021102002221
410220010012023123321212
510131314301104223220
6111134310413422554
74166622036263605
oct450040613337146
980028841242087
1020345363742310
116534469480362
12234709919aa5a
13b477374ab9c9
14504a14075a3c
15254369d839aa
hex1281062dbe66

20345363742310 has 32 divisors (see below), whose sum is σ = 36643276951200. Its totient is φ = 8133341126400.

The previous prime is 20345363742299. The next prime is 20345363742317. The reversal of 20345363742310 is 1324736354302.

It is a super-2 number, since 2×203453637423102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345363742317) 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, 450305301 + ... + 450350479.

It is an arithmetic number, because the mean of its divisors is an integer number (1145102404725).

Almost surely, 220345363742310 is an apocalyptic number.

20345363742310 is a deficient number, since it is larger than the sum of its proper divisors (16297913208890).

20345363742310 is a wasteful number, since it uses less digits than its factorization.

20345363742310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70776.

The product of its (nonzero) digits is 1088640, while the sum is 43.

The spelling of 20345363742310 in words is "twenty trillion, three hundred forty-five billion, three hundred sixty-three million, seven hundred forty-two thousand, three hundred ten".

Divisors: 1 2 5 10 1901 3802 9505 19010 23689 45179 47378 90358 118445 225895 236890 451790 45032789 85885279 90065578 171770558 225163945 429426395 450327890 858852790 1070245331 2140490662 5351226655 10702453310 2034536374231 4069072748462 10172681871155 20345363742310