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145011431186 = 2243911297263
BaseRepresentation
bin1000011100001101011…
…0101101011100010010
3111212022002120221221122
42013003112231130102
54333440411244221
6150341202122242
713322342553566
oct2070326553422
9455262527848
10145011431186
1156554199606
1224130050382
131089cbc39ab
1470390276a6
153b8ab84eab
hex21c35ad712

145011431186 has 8 divisors (see below), whose sum is σ = 217518770304. Its totient is φ = 72505174420.

The previous prime is 145011431183. The next prime is 145011431209. The reversal of 145011431186 is 681134110541.

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

It is a super-2 number, since 2×1450114311862 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145011431183) 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, 339191 + ... + 636453.

It is an arithmetic number, because the mean of its divisors is an integer number (27189846288).

Almost surely, 2145011431186 is an apocalyptic number.

145011431186 is a deficient number, since it is larger than the sum of its proper divisors (72507339118).

145011431186 is a wasteful number, since it uses less digits than its factorization.

145011431186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541176.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 145011431186 in words is "one hundred forty-five billion, eleven million, four hundred thirty-one thousand, one hundred eighty-six".

Divisors: 1 2 243911 297263 487822 594526 72505715593 145011431186