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6990700572 = 2233411578749
BaseRepresentation
bin1101000001010110…
…11010000000011100
3200001012020101101000
412200223122000130
5103304104404242
63113402550300
7335143655142
oct64053320034
920035211330
106990700572
112a68082899
121431208390
138753cb21b
144a4619592
152adacda4c
hex1a0ada01c

6990700572 has 48 divisors (see below), whose sum is σ = 18566100000. Its totient is φ = 2273397120.

The previous prime is 6990700567. The next prime is 6990700573. The reversal of 6990700572 is 2750070996.

6990700572 is a `hidden beast` number, since 6 + 9 + 9 + 0 + 70 + 0 + 572 = 666.

It is a super-2 number, since 2×69907005722 = 97739788974722254368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990700573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784947 + ... + 793802.

It is an arithmetic number, because the mean of its divisors is an integer number (386793750).

Almost surely, 26990700572 is an apocalyptic number.

It is an amenable number.

6990700572 is an abundant number, since it is smaller than the sum of its proper divisors (11575399428).

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

6990700572 is a wasteful number, since it uses less digits than its factorization.

6990700572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578803 (or 1578795 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 6990700572 is about 83610.4094715485. The cubic root of 6990700572 is about 1912.0837042392.

The spelling of 6990700572 in words is "six billion, nine hundred ninety million, seven hundred thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 41 54 82 108 123 164 246 369 492 738 1107 1476 2214 4428 1578749 3157498 4736247 6314996 9472494 14208741 18944988 28417482 42626223 56834964 64728709 85252446 129457418 170504892 194186127 258914836 388372254 582558381 776744508 1165116762 1747675143 2330233524 3495350286 6990700572