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30203031002000 = 245315101515501
BaseRepresentation
bin1101101111000001100001…
…11011110001101110010000
310221221101022011100022001212
412313200300323301232100
512424321301414031000
6144123025250115252
76235045156416563
oct667406073615620
9127841264308055
1030203031002000
11969504067798a
123479671b7bb28
1313b11976a8a1c
14765b97c244da
153759b43b7c35
hex1b7830ef1b90

30203031002000 has 40 divisors (see below), whose sum is σ = 73030928967672. Its totient is φ = 12081212400000.

The previous prime is 30203031001961. The next prime is 30203031002003. The reversal of 30203031002000 is 20013030203.

It can be written as a sum of positive squares in 4 ways, for example, as 234457387264 + 29968573614736 = 484208^2 + 5474356^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30203031002003) 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, 7550755751 + ... + 7550759750.

Almost surely, 230203031002000 is an apocalyptic number.

It is an amenable number.

30203031002000 is an abundant number, since it is smaller than the sum of its proper divisors (42827897965672).

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

30203031002000 is a wasteful number, since it uses less digits than its factorization.

30203031002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101515524 (or 15101515508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30203031002000 its reverse (20013030203), we get a palindrome (30223044032203).

The spelling of 30203031002000 in words is "thirty trillion, two hundred three billion, thirty-one million, two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 15101515501 30203031002 60406062004 75507577505 120812124008 151015155010 241624248016 302030310020 377537887525 604060620040 755075775050 1208121240080 1510151550100 1887689437625 3020303100200 3775378875250 6040606200400 7550757750500 15101515501000 30203031002000