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145200271512 = 23310061601333
BaseRepresentation
bin1000011100111010011…
…1000101000010011000
3111212210020221001011210
42013032213011002120
54334332232142022
6150412025423120
713330124641512
oct2071647050230
9455706831153
10145200271512
115664084a09a
122418333aaa0
131090007162a
147056142bb2
153b9c537a0c
hex21ce9c5098

145200271512 has 32 divisors (see below), whose sum is σ = 363037362480. Its totient is φ = 48395199360.

The previous prime is 145200271499. The next prime is 145200271577. The reversal of 145200271512 is 215172002541.

It is a happy number.

It is a super-2 number, since 2×1452002715122 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145200271512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59203 + ... + 542130.

Almost surely, 2145200271512 is an apocalyptic number.

145200271512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145200271512 is an abundant number, since it is smaller than the sum of its proper divisors (217837090968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145200271512 is a wasteful number, since it uses less digits than its factorization.

145200271512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611403 (or 611399 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 145200271512 in words is "one hundred forty-five billion, two hundred million, two hundred seventy-one thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 10061 20122 30183 40244 60366 80488 120732 241464 601333 1202666 1803999 2405332 3607998 4810664 7215996 14431992 6050011313 12100022626 18150033939 24200045252 36300067878 48400090504 72600135756 145200271512