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1077218012 = 221320715731
BaseRepresentation
bin100000000110101…
…0000101011011100
32210001222100022102
41000031100223130
54201231434022
6254520304232
735460126203
oct10015205334
92701870272
101077218012
11503074922
12260912078
13142235210
14a30cc23a
1564885a92
hex40350adc

1077218012 has 12 divisors (see below), whose sum is σ = 2030141736. Its totient is φ = 497177520.

The previous prime is 1077218011. The next prime is 1077218029. The reversal of 1077218012 is 2108127701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077218011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10357814 + ... + 10357917.

It is an arithmetic number, because the mean of its divisors is an integer number (169178478).

Almost surely, 21077218012 is an apocalyptic number.

It is an amenable number.

1077218012 is a deficient number, since it is larger than the sum of its proper divisors (952923724).

1077218012 is a wasteful number, since it uses less digits than its factorization.

1077218012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20715748 (or 20715746 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 1077218012 is about 32820.9995582097. Note that the first 3 decimals coincide. The cubic root of 1077218012 is about 1025.1038600291.

Adding to 1077218012 its sum of digits (29), we get a square (1077218041 = 328212).

The spelling of 1077218012 in words is "one billion, seventy-seven million, two hundred eighteen thousand, twelve".

Divisors: 1 2 4 13 26 52 20715731 41431462 82862924 269304503 538609006 1077218012