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2145351250 = 2547245183
BaseRepresentation
bin111111111011111…
…0111011001010010
312112111212010122201
41333313313121102
513343202220000
6552514153414
7104110120240
oct17767673122
95474763581
102145351250
11a00aa4169
124ba58286a
13282609313
14164cd3790
15c852496a
hex7fdf7652

2145351250 has 40 divisors (see below), whose sum is σ = 4595728896. Its totient is φ = 735546000.

The previous prime is 2145351223. The next prime is 2145351283. The reversal of 2145351250 is 521535412.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113842 + ... + 131341.

Almost surely, 22145351250 is an apocalyptic number.

2145351250 is an abundant number, since it is smaller than the sum of its proper divisors (2450377646).

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

2145351250 is an equidigital number, since it uses as much as digits as its factorization.

2145351250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245212 (or 245197 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2145351250 is about 46317.9365904830. The cubic root of 2145351250 is about 1289.7319816562.

Adding to 2145351250 its reverse (521535412), we get a palindrome (2666886662).

It can be divided in two parts, 2 and 145351250, that multiplied together give a square (290702500 = 170502).

The spelling of 2145351250 in words is "two billion, one hundred forty-five million, three hundred fifty-one thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 625 875 1250 1750 4375 8750 245183 490366 1225915 1716281 2451830 3432562 6129575 8581405 12259150 17162810 30647875 42907025 61295750 85814050 153239375 214535125 306478750 429070250 1072675625 2145351250