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1071065372 = 221320597411
BaseRepresentation
bin111111110101110…
…010100100011100
32202122101202110212
4333311302210130
54143143042442
6254140351552
735353622366
oct7765624434
92678352425
101071065372
114aa6522a3
1225a8455b8
13140b8c8c0
14a2369d36
156406ca82
hex3fd7291c

1071065372 has 12 divisors (see below), whose sum is σ = 2018546376. Its totient is φ = 494337840.

The previous prime is 1071065353. The next prime is 1071065377. The reversal of 1071065372 is 2735601701.

It is a super-2 number, since 2×10710653722 = 2294362062194996768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071065377) 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, 10298654 + ... + 10298757.

It is an arithmetic number, because the mean of its divisors is an integer number (168212198).

Almost surely, 21071065372 is an apocalyptic number.

It is an amenable number.

1071065372 is a deficient number, since it is larger than the sum of its proper divisors (947481004).

1071065372 is a wasteful number, since it uses less digits than its factorization.

1071065372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20597428 (or 20597426 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1071065372 is about 32727.1351022359. The cubic root of 1071065372 is about 1023.1484709119.

The spelling of 1071065372 in words is "one billion, seventy-one million, sixty-five thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 52 20597411 41194822 82389644 267766343 535532686 1071065372