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148558985401 = 402136945781
BaseRepresentation
bin1000101001011011001…
…1100011100010111001
3112012110022221101110111
42022112303203202321
54413222100013101
6152125210344321
713506300353341
oct2122663434271
9465408841414
10148558985401
11580047465a2
122496012b0a1
1311016b703b8
147294243d21
153ce7337251
hex2296ce38b9

148558985401 has 4 divisors (see below), whose sum is σ = 148595935204. Its totient is φ = 148522035600.

The previous prime is 148558985389. The next prime is 148558985423. The reversal of 148558985401 is 104589855841.

148558985401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104589855841 = 292735732783.

It can be written as a sum of positive squares in 2 ways, for example, as 61442511376 + 87116474025 = 247876^2 + 295155^2 .

It is a cyclic number.

It is not a de Polignac number, because 148558985401 - 237 = 11120031929 is a prime.

It is a super-2 number, since 2×1485589854012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148558185401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18468870 + ... + 18476911.

It is an arithmetic number, because the mean of its divisors is an integer number (37148983801).

Almost surely, 2148558985401 is an apocalyptic number.

It is an amenable number.

148558985401 is a deficient number, since it is larger than the sum of its proper divisors (36949803).

148558985401 is an equidigital number, since it uses as much as digits as its factorization.

148558985401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36949802.

The product of its (nonzero) digits is 9216000, while the sum is 58.

The spelling of 148558985401 in words is "one hundred forty-eight billion, five hundred fifty-eight million, nine hundred eighty-five thousand, four hundred one".

Divisors: 1 4021 36945781 148558985401