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148556270809 = 158879350807
BaseRepresentation
bin1000101001011010100…
…1001100110011011001
3112012110010211110202001
42022112221030303121
54413220401131214
6152125032241001
713506235316152
oct2122651146331
9465403743661
10148556270809
1158003162031
122495b240161
131101642c92b
147293b38929
153ce6e9cc74
hex2296a4ccd9

148556270809 has 4 divisors (see below), whose sum is σ = 148565637504. Its totient is φ = 148546904116.

The previous prime is 148556270801. The next prime is 148556270827. The reversal of 148556270809 is 908072655841.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 148556270809 - 23 = 148556270801 is a prime.

It is a super-3 number, since 3×1485562708093 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148556270809.

It is not an unprimeable number, because it can be changed into a prime (148556270801) 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, 4659517 + ... + 4691290.

It is an arithmetic number, because the mean of its divisors is an integer number (37141409376).

Almost surely, 2148556270809 is an apocalyptic number.

It is an amenable number.

148556270809 is a deficient number, since it is larger than the sum of its proper divisors (9366695).

148556270809 is an equidigital number, since it uses as much as digits as its factorization.

148556270809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366694.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 148556270809 in words is "one hundred forty-eight billion, five hundred fifty-six million, two hundred seventy thousand, eight hundred nine".

Divisors: 1 15887 9350807 148556270809