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1081136607 = 31721198757
BaseRepresentation
bin100000001110000…
…1101010111011111
32210100100102121120
41000130031113133
54203232332412
6255140302023
735535336525
oct10034152737
92710312546
101081136607
11505300a31
122620a1913
13142ca7a05
14a382c315
1564dabb8c
hex4070d5df

1081136607 has 8 divisors (see below), whose sum is σ = 1526310576. Its totient is φ = 678360192.

The previous prime is 1081136603. The next prime is 1081136621. The reversal of 1081136607 is 7066311801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081136607 - 22 = 1081136603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081136603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10599328 + ... + 10599429.

It is an arithmetic number, because the mean of its divisors is an integer number (190788822).

Almost surely, 21081136607 is an apocalyptic number.

1081136607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1081136607 is a deficient number, since it is larger than the sum of its proper divisors (445173969).

1081136607 is a wasteful number, since it uses less digits than its factorization.

1081136607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198777.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1081136607 is about 32880.6418276773. The cubic root of 1081136607 is about 1026.3453623052.

The spelling of 1081136607 in words is "one billion, eighty-one million, one hundred thirty-six thousand, six hundred seven".

Divisors: 1 3 17 51 21198757 63596271 360378869 1081136607