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20345372300525 = 523126252093291
BaseRepresentation
bin1001010000001000001101…
…01100000101010011101101
32200000222221222101012202212
410220010012230011103231
510131314310302104100
6111134311321100205
74166622202106636
oct450040654052355
980028858335685
1020345372300525
116534473296268
1223470a0027665
13b477391b723c
14504a1526288d
1525436a9c4635
hex128106b054ed

20345372300525 has 12 divisors (see below), whose sum is σ = 26042076545664. Its totient is φ = 15751255974000.

The previous prime is 20345372300503. The next prime is 20345372300537. The reversal of 20345372300525 is 52500327354302.

It is not a de Polignac number, because 20345372300525 - 212 = 20345372296429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13126045871 + ... + 13126047420.

It is an arithmetic number, because the mean of its divisors is an integer number (2170173045472).

Almost surely, 220345372300525 is an apocalyptic number.

20345372300525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20345372300525 is a deficient number, since it is larger than the sum of its proper divisors (5696704245139).

20345372300525 is a wasteful number, since it uses less digits than its factorization.

20345372300525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26252093332 (or 26252093327 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 41.

Adding to 20345372300525 its reverse (52500327354302), we get a palindrome (72845699654827).

The spelling of 20345372300525 in words is "twenty trillion, three hundred forty-five billion, three hundred seventy-two million, three hundred thousand, five hundred twenty-five".

Divisors: 1 5 25 31 155 775 26252093291 131260466455 656302332275 813814892021 4069074460105 20345372300525