Search a number
-
+
145436262161516 = 221947197320636411
BaseRepresentation
bin100001000100011000000100…
…101111100101110001101100
3201001221120102011120201001022
4201010120010233211301230
5123030311431103132031
61233152255123433312
742430265104162604
oct4104300457456154
9631846364521038
10145436262161516
1142382199524827
121438a631b25838
13631c771983bb1
1427cb21cc13c04
1511c31e6da097b
hex844604be5c6c

145436262161516 has 48 divisors (see below), whose sum is σ = 273747783375360. Its totient is φ = 67390920861120.

The previous prime is 145436262161507. The next prime is 145436262161537. The reversal of 145436262161516 is 615161262634541.

It is a super-2 number, since 2×1454362621615162 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270650 + ... + 17365761.

It is an arithmetic number, because the mean of its divisors is an integer number (5703078820320).

Almost surely, 2145436262161516 is an apocalyptic number.

It is an amenable number.

145436262161516 is a deficient number, since it is larger than the sum of its proper divisors (128311521213844).

145436262161516 is a wasteful number, since it uses less digits than its factorization.

145436262161516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638454 (or 20638452 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The spelling of 145436262161516 in words is "one hundred forty-five trillion, four hundred thirty-six billion, two hundred sixty-two million, one hundred sixty-one thousand, five hundred sixteen".

Divisors: 1 2 4 19 38 47 76 94 188 893 1786 1973 3572 3946 7892 37487 74974 92731 149948 185462 370924 1761889 3523778 7047556 20636411 41272822 82545644 392091809 784183618 969911317 1568367236 1939822634 3879645268 18428315023 36856630046 40715638903 73713260092 81431277806 162862555612 773597139157 1547194278314 1913635028441 3094388556628 3827270056882 7654540113764 36359065540379 72718131080758 145436262161516