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52031152004 = 22136411560997
BaseRepresentation
bin110000011101010011…
…000101111110000100
311222022010210101100212
4300131103011332010
51323024433331004
635523000054552
73521244331466
oct603523057604
9158263711325
1052031152004
1120080257677
12a101164458
134ba2803510
1427383b8136
151547d5c96e
hexc1d4c5f84

52031152004 has 24 divisors (see below), whose sum is σ = 98211750168. Its totient is φ = 23976898560.

The previous prime is 52031151979. The next prime is 52031152007. The reversal of 52031152004 is 40025113025.

It can be written as a sum of positive squares in 4 ways, for example, as 8830360900 + 43200791104 = 93970^2 + 207848^2 .

It is not an unprimeable number, because it can be changed into a prime (52031152007) 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 7 ways as a sum of consecutive naturals, for example, 747167 + ... + 813830.

It is an arithmetic number, because the mean of its divisors is an integer number (4092156257).

Almost surely, 252031152004 is an apocalyptic number.

It is an amenable number.

52031152004 is a deficient number, since it is larger than the sum of its proper divisors (46180598164).

52031152004 is a wasteful number, since it uses less digits than its factorization.

52031152004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561655 (or 1561653 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 52031152004 its reverse (40025113025), we get a palindrome (92056265029).

The spelling of 52031152004 in words is "fifty-two billion, thirty-one million, one hundred fifty-two thousand, four".

Divisors: 1 2 4 13 26 52 641 1282 2564 8333 16666 33332 1560997 3121994 6243988 20292961 40585922 81171844 1000599077 2001198154 4002396308 13007788001 26015576002 52031152004