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156105005093 = 198017883693
BaseRepresentation
bin1001000101100010010…
…1010101100000100101
3112220221020002220110022
42101120211111200211
510024200340130333
6155414052004525
714164266435632
oct2213045254045
9486836086408
10156105005093
1160227229904
1226307300745
131194a321bcb
1477ac4d5189
1540d9a59c98
hex2458955825

156105005093 has 4 divisors (see below), whose sum is σ = 156112908588. Its totient is φ = 156097101600.

The previous prime is 156105005057. The next prime is 156105005099. The reversal of 156105005093 is 390500501651.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31610350849 + 124494654244 = 177793^2 + 352838^2 .

It is a cyclic number.

It is not a de Polignac number, because 156105005093 - 26 = 156105005029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156105005099) 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, 3922046 + ... + 3961647.

It is an arithmetic number, because the mean of its divisors is an integer number (39028227147).

Almost surely, 2156105005093 is an apocalyptic number.

It is an amenable number.

156105005093 is a deficient number, since it is larger than the sum of its proper divisors (7903495).

156105005093 is an equidigital number, since it uses as much as digits as its factorization.

156105005093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903494.

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 156105005093 in words is "one hundred fifty-six billion, one hundred five million, five thousand, ninety-three".

Divisors: 1 19801 7883693 156105005093