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5212525140 = 2232528958473
BaseRepresentation
bin1001101101011000…
…01101001001010100
3111110021021201020200
410312230031021110
541133401301030
62221122300500
7243112506204
oct46654151124
914407251220
105212525140
112235375319
1210157b7730
13650bacc04
143763c4404
15207936d60
hex136b0d254

5212525140 has 36 divisors (see below), whose sum is σ = 15811326804. Its totient is φ = 1390006656.

The previous prime is 5212525139. The next prime is 5212525187. The reversal of 5212525140 is 415252125.

5212525140 is a `hidden beast` number, since 521 + 2 + 52 + 51 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 928299024 + 4284226116 = 30468^2 + 65454^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14479057 + ... + 14479416.

Almost surely, 25212525140 is an apocalyptic number.

It is an amenable number.

5212525140 is an abundant number, since it is smaller than the sum of its proper divisors (10598801664).

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

5212525140 is a wasteful number, since it uses less digits than its factorization.

5212525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28958488 (or 28958483 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5212525140 is about 72197.8194961593. The cubic root of 5212525140 is about 1733.8680910021.

Adding to 5212525140 its reverse (415252125), we get a palindrome (5627777265).

The spelling of 5212525140 in words is "five billion, two hundred twelve million, five hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 28958473 57916946 86875419 115833892 144792365 173750838 260626257 289584730 347501676 434377095 521252514 579169460 868754190 1042505028 1303131285 1737508380 2606262570 5212525140