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148263816409 = 6431583145661
BaseRepresentation
bin1000101000010100110…
…1100100110011011001
3112011200202112020201121
42022011031210303121
54412121014111114
6152040024045241
713466054434342
oct2120515446331
9464622466647
10148263816409
1157973071785
1224899303821
1310c9a9744a7
147266d6b0c9
153ccb47ea24
hex2285364cd9

148263816409 has 8 divisors (see below), whose sum is σ = 148589223552. Its totient is φ = 147938705040.

The previous prime is 148263816329. The next prime is 148263816413. The reversal of 148263816409 is 904618362841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148263816409 - 215 = 148263783641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148263814409) 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, 945039 + ... + 1090699.

It is an arithmetic number, because the mean of its divisors is an integer number (18573652944).

Almost surely, 2148263816409 is an apocalyptic number.

It is an amenable number.

148263816409 is a deficient number, since it is larger than the sum of its proper divisors (325407143).

148263816409 is a wasteful number, since it uses less digits than its factorization.

148263816409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147887.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 148263816409 in words is "one hundred forty-eight billion, two hundred sixty-three million, eight hundred sixteen thousand, four hundred nine".

Divisors: 1 643 1583 145661 1017869 93660023 230581363 148263816409