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1081022977 = 23327114369
BaseRepresentation
bin100000001101111…
…0001101000000001
32210100010122202001
41000123301220001
54203220213402
6255134024001
735534354326
oct10033615001
92710118661
101081022977
11505233621
12262048001
13142c68088
14a37dcb4d
1564d88187
hex406f1a01

1081022977 has 8 divisors (see below), whose sum is σ = 1128447360. Its totient is φ = 1033633920.

The previous prime is 1081022951. The next prime is 1081022981. The reversal of 1081022977 is 7792201801.

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

It is a cyclic number.

It is not a de Polignac number, because 1081022977 - 27 = 1081022849 is a prime.

It is a super-2 number, since 2×10810229772 = 2337221353603885058, which contains 22 as substring.

It is a Duffinian number.

1081022977 is a modest number, since divided by 22977 gives 1081 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1081022947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68049 + ... + 82417.

It is an arithmetic number, because the mean of its divisors is an integer number (141055920).

Almost surely, 21081022977 is an apocalyptic number.

It is an amenable number.

1081022977 is a deficient number, since it is larger than the sum of its proper divisors (47424383).

1081022977 is a wasteful number, since it uses less digits than its factorization.

1081022977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 1081022977 is about 32878.9138658807. The cubic root of 1081022977 is about 1026.3094039416.

The spelling of 1081022977 in words is "one billion, eighty-one million, twenty-two thousand, nine hundred seventy-seven".

Divisors: 1 23 3271 14369 75233 330487 47000999 1081022977