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20612422630455 = 351374161508697
BaseRepresentation
bin1001010111111001101000…
…01000001111110000110111
32200222112021011200120111020
410223330310020033300313
510200203220143133310
6111501114412312223
74225125022341255
oct453746410176067
980875234616436
1020612422630455
116627752234777
12238a9aa772673
13b6698780bb46
1451390a2d55d5
1525b29a608170
hex12bf3420fc37

20612422630455 has 8 divisors (see below), whose sum is σ = 32979876208752. Its totient is φ = 10993292069568.

The previous prime is 20612422630441. The next prime is 20612422630511. The reversal of 20612422630455 is 55403622421602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20612422630455 - 24 = 20612422630439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687080754334 + ... + 687080754363.

It is an arithmetic number, because the mean of its divisors is an integer number (4122484526094).

Almost surely, 220612422630455 is an apocalyptic number.

20612422630455 is a deficient number, since it is larger than the sum of its proper divisors (12367453578297).

20612422630455 is a wasteful number, since it uses less digits than its factorization.

20612422630455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374161508705.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20612422630455 in words is "twenty trillion, six hundred twelve billion, four hundred twenty-two million, six hundred thirty thousand, four hundred fifty-five".

Divisors: 1 3 5 15 1374161508697 4122484526091 6870807543485 20612422630455