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8912971542 = 236736760413
BaseRepresentation
bin10000100110100000…
…10010011100010110
3212000011022212102010
420103100102130112
5121223210042132
64032231525050
7433605002526
oct102320223426
925004285363
108912971542
11386415a492
121888b29786
13ac072ba77
14607a3d686
1537273a6cc
hex213412716

8912971542 has 32 divisors (see below), whose sum is σ = 18141599232. Its totient is φ = 2918624544.

The previous prime is 8912971519. The next prime is 8912971553. The reversal of 8912971542 is 2451792198.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8912971491 and 8912971500.

It is a congruent number.

It is an unprimeable number.

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, 117328 + ... + 177740.

It is an arithmetic number, because the mean of its divisors is an integer number (566924976).

Almost surely, 28912971542 is an apocalyptic number.

8912971542 is an abundant number, since it is smaller than the sum of its proper divisors (9228627690).

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

8912971542 is a wasteful number, since it uses less digits than its factorization.

8912971542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60852.

The product of its digits is 362880, while the sum is 48.

The square root of 8912971542 is about 94408.5353238784. The cubic root of 8912971542 is about 2073.3574104229.

The spelling of 8912971542 in words is "eight billion, nine hundred twelve million, nine hundred seventy-one thousand, five hundred forty-two".

Divisors: 1 2 3 6 67 134 201 367 402 734 1101 2202 24589 49178 60413 73767 120826 147534 181239 362478 4047671 8095342 12143013 22171571 24286026 44343142 66514713 133029426 1485495257 2970990514 4456485771 8912971542