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30021100121032 = 236161518647789
BaseRepresentation
bin1101101001101110101010…
…00000100010101111001000
310221021222201002021222002021
412310313111000202233020
512413331203112333112
6143503300352014224
76215644563432106
oct664672500425710
9127258632258067
1030021100121032
119624971408309
12344a359831374
131399c92a0a977
1475b059802c76
15370db7401907
hex1b4dd5022bc8

30021100121032 has 16 divisors (see below), whose sum is σ = 57212342444700. Its totient is φ = 14764475469120.

The previous prime is 30021100121027. The next prime is 30021100121039. The reversal of 30021100121032 is 23012100112003.

It can be written as a sum of positive squares in 2 ways, for example, as 29987079794116 + 34020326916 = 5476046^2 + 184446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30021100120997 and 30021100121015.

It is not an unprimeable number, because it can be changed into a prime (30021100121039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30759323407 + ... + 30759324382.

Almost surely, 230021100121032 is an apocalyptic number.

It is an amenable number.

30021100121032 is a deficient number, since it is larger than the sum of its proper divisors (27191242323668).

30021100121032 is a wasteful number, since it uses less digits than its factorization.

30021100121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61518647856 (or 61518647852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30021100121032 its reverse (23012100112003), we get a palindrome (53033200233035).

The spelling of 30021100121032 in words is "thirty trillion, twenty-one billion, one hundred million, one hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 61 122 244 488 61518647789 123037295578 246074591156 492149182312 3752637515129 7505275030258 15010550060516 30021100121032