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2530213888 = 22019127
BaseRepresentation
bin1001011011010000…
…0000000000000000
320112100001011221111
42112310000000000
520140213321023
61055023133104
7116462314606
oct22664000000
96470034844
102530213888
111089270164
125a7444194
1331427a8a7
141a0077876
15ec1e800d
hex96d00000

2530213888 has 84 divisors (see below), whose sum is σ = 5368706560. Its totient is φ = 1189085184.

The previous prime is 2530213859. The next prime is 2530213897. The reversal of 2530213888 is 8883120352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530213888.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19922881 + ... + 19923007.

Almost surely, 22530213888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530213888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684353280).

2530213888 is an abundant number, since it is smaller than the sum of its proper divisors (2838492672).

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

2530213888 is an frugal number, since it uses more digits than its factorization.

2530213888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 2530213888 is about 50301.2314759788. The cubic root of 2530213888 is about 1362.6544695726.

The spelling of 2530213888 in words is "two billion, five hundred thirty million, two hundred thirteen thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 127 128 152 254 256 304 508 512 608 1016 1024 1216 2032 2048 2413 2432 4064 4096 4826 4864 8128 8192 9652 9728 16256 16384 19304 19456 32512 32768 38608 38912 65024 65536 77216 77824 130048 131072 154432 155648 260096 262144 308864 311296 520192 524288 617728 622592 1040384 1048576 1235456 1245184 2080768 2470912 2490368 4161536 4941824 4980736 8323072 9883648 9961472 16646144 19767296 19922944 33292288 39534592 66584576 79069184 133169152 158138368 316276736 632553472 1265106944 2530213888