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987004200001 = 2342913226087
BaseRepresentation
bin11100101110011100000…
…10001110010001000001
310111100122000112101100011
432113032002032101001
5112132341033400001
62033231245224521
7131210612163211
oct16271602162101
93440560471304
10987004200001
1135064a15a016
1213b355862141
13720c6a37761
1435ab2492241
151aa1a893d51
hexe5ce08e441

987004200001 has 4 divisors (see below), whose sum is σ = 1029917426112. Its totient is φ = 944090973892.

The previous prime is 987004199983. The next prime is 987004200019. The reversal of 987004200001 is 100002400789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (987004199983) and next prime (987004200019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-987004200001 is a prime.

It is a super-2 number, since 2×9870042000012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987004200031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21456613021 + ... + 21456613066.

It is an arithmetic number, because the mean of its divisors is an integer number (257479356528).

Almost surely, 2987004200001 is an apocalyptic number.

It is an amenable number.

987004200001 is a deficient number, since it is larger than the sum of its proper divisors (42913226111).

987004200001 is a wasteful number, since it uses less digits than its factorization.

987004200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42913226110.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 987004200001 in words is "nine hundred eighty-seven billion, four million, two hundred thousand, one".

Divisors: 1 23 42913226087 987004200001