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148264823909 = 763919408931
BaseRepresentation
bin1000101000010101000…
…1011010110001100101
3112011200211102102202102
42022011101122301211
54412121243331114
6152040101421445
713466066131556
oct2120521326145
9464624372672
10148264823909
115797369a724
122489970a885
1310c9ac37c47
14726715032d
153ccb5cd2de
hex228545ac65

148264823909 has 4 divisors (see below), whose sum is σ = 148284240480. Its totient is φ = 148245407340.

The previous prime is 148264823899. The next prime is 148264823933. The reversal of 148264823909 is 909328462841.

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 148264823909 - 224 = 148248046693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148264823969) 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, 9696827 + ... + 9712104.

It is an arithmetic number, because the mean of its divisors is an integer number (37071060120).

Almost surely, 2148264823909 is an apocalyptic number.

It is an amenable number.

148264823909 is a deficient number, since it is larger than the sum of its proper divisors (19416571).

148264823909 is an equidigital number, since it uses as much as digits as its factorization.

148264823909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416570.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 148264823909 in words is "one hundred forty-eight billion, two hundred sixty-four million, eight hundred twenty-three thousand, nine hundred nine".

Divisors: 1 7639 19408931 148264823909