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2155630030300 = 225221556300303
BaseRepresentation
bin11111010111100101100…
…011111110110111011100
321122002001120012112111101
4133113211203332313130
5240304212241432200
64330141024402444
7311511343635565
oct37274543766734
97562046175441
102155630030300
11761219a5603a
122a9938176424
131283763539b6
1476493c6516c
153b115eb426a
hex1f5e58feddc

2155630030300 has 18 divisors (see below), whose sum is σ = 4677717165968. Its totient is φ = 862252012080.

The previous prime is 2155630030277. The next prime is 2155630030339. The reversal of 2155630030300 is 30300365512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10778150052 + ... + 10778150251.

Almost surely, 22155630030300 is an apocalyptic number.

2155630030300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155630030300 is an abundant number, since it is smaller than the sum of its proper divisors (2522087135668).

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

2155630030300 is a wasteful number, since it uses less digits than its factorization.

2155630030300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556300317 (or 21556300310 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 2155630030300 its reverse (30300365512), we get a palindrome (2185930395812).

The spelling of 2155630030300 in words is "two trillion, one hundred fifty-five billion, six hundred thirty million, thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21556300303 43112600606 86225201212 107781501515 215563003030 431126006060 538907507575 1077815015150 2155630030300