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153919359809 = 314965140639
BaseRepresentation
bin1000111101011001001…
…1110000101101000001
3112201021220102121202222
42033112103300231001
510010211324003214
6154413134020425
714056156654145
oct2172623605501
9481256377688
10153919359809
115a305514196
12259b7347715
131168c578287
147642113225
15400cc2638e
hex23d64f0b41

153919359809 has 4 divisors (see below), whose sum is σ = 158884500480. Its totient is φ = 148954219140.

The previous prime is 153919359751. The next prime is 153919359823. The reversal of 153919359809 is 908953919351.

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, and also an emirpimes, since its reverse is a distinct semiprime: 908953919351 = 3617251300503.

It is a cyclic number.

It is not a de Polignac number, because 153919359809 - 212 = 153919355713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153919359899) 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, 2482570289 + ... + 2482570350.

It is an arithmetic number, because the mean of its divisors is an integer number (39721125120).

Almost surely, 2153919359809 is an apocalyptic number.

It is an amenable number.

153919359809 is a deficient number, since it is larger than the sum of its proper divisors (4965140671).

153919359809 is an equidigital number, since it uses as much as digits as its factorization.

153919359809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965140670.

The product of its (nonzero) digits is 11809800, while the sum is 62.

The spelling of 153919359809 in words is "one hundred fifty-three billion, nine hundred nineteen million, three hundred fifty-nine thousand, eight hundred nine".

Divisors: 1 31 4965140639 153919359809