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3215530145200 = 245210775129209
BaseRepresentation
bin101110110010101100100…
…010000011010110110000
3102101101211211021002010111
4232302230202003112300
5410140401204121300
610501105534311104
7451212556156252
oct56625442032660
912341754232114
103215530145200
11102a775a3591a
1243b236658494
131a42b94762b9
14b18bd79dcd2
155899b2ec9ba
hex2ecac8835b0

3215530145200 has 60 divisors (see below), whose sum is σ = 7797510447480. Its totient is φ = 1274191367680.

The previous prime is 3215530145101. The next prime is 3215530145203. The reversal of 3215530145200 is 25410355123.

It is a super-2 number, since 2×32155301452002 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3215530145203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37521805 + ... + 37607404.

It is an arithmetic number, because the mean of its divisors is an integer number (129958507458).

Almost surely, 23215530145200 is an apocalyptic number.

It is an amenable number.

3215530145200 is an abundant number, since it is smaller than the sum of its proper divisors (4581980302280).

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

3215530145200 is a wasteful number, since it uses less digits than its factorization.

3215530145200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75129334 (or 75129323 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 3215530145200 in words is "three trillion, two hundred fifteen billion, five hundred thirty million, one hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 107 200 214 400 428 535 856 1070 1712 2140 2675 4280 5350 8560 10700 21400 42800 75129209 150258418 300516836 375646045 601033672 751292090 1202067344 1502584180 1878230225 3005168360 3756460450 6010336720 7512920900 8038825363 15025841800 16077650726 30051683600 32155301452 40194126815 64310602904 80388253630 128621205808 160776507260 200970634075 321553014520 401941268150 643106029040 803882536300 1607765072600 3215530145200