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20653650001360 = 245934327632519
BaseRepresentation
bin1001011001000110011010…
…11110001011110111010000
32201010110200101021000100101
410230203031132023313100
510201342133400020420
6111532053354102144
74231114462246015
oct454431536136720
981113611230311
1020653650001360
116643188a93732
12239699571a954
13b6a827c49c7c
145158db8b970c
1525c3aec3560a
hex12c8cd78bdd0

20653650001360 has 40 divisors (see below), whose sum is σ = 48024877639680. Its totient is φ = 8260575460992.

The previous prime is 20653650001349. The next prime is 20653650001367. The reversal of 20653650001360 is 6310005635602.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20653650001367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13068820 + ... + 14563699.

It is an arithmetic number, because the mean of its divisors is an integer number (1200621940992).

Almost surely, 220653650001360 is an apocalyptic number.

20653650001360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20653650001360 is an abundant number, since it is smaller than the sum of its proper divisors (27371227638320).

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

20653650001360 is a wasteful number, since it uses less digits than its factorization.

20653650001360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27641875 (or 27641869 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 20653650001360 its reverse (6310005635602), we get a palindrome (26963655636962).

The spelling of 20653650001360 in words is "twenty trillion, six hundred fifty-three billion, six hundred fifty million, one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 9343 18686 37372 46715 74744 93430 149488 186860 373720 747440 27632519 55265038 110530076 138162595 221060152 276325190 442120304 552650380 1105300760 2210601520 258170625017 516341250034 1032682500068 1290853125085 2065365000136 2581706250170 4130730000272 5163412500340 10326825000680 20653650001360