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2952768561 = 34797215893
BaseRepresentation
bin1010111111111111…
…1010110000110001
321121210011011222120
42233333322300301
522021402043221
61205000024453
7133113055461
oct25777726061
97553134876
102952768561
1112858407a6
126a4a62129
13380988342
1420022dba1
151243645c6
hexafffac31

2952768561 has 16 divisors (see below), whose sum is σ = 4062261504. Its totient is φ = 1906758144.

The previous prime is 2952768523. The next prime is 2952768563. The reversal of 2952768561 is 1658672592.

It is not a de Polignac number, because 2952768561 - 210 = 2952767537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2952768563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94270 + ... + 121623.

It is an arithmetic number, because the mean of its divisors is an integer number (253891344).

Almost surely, 22952768561 is an apocalyptic number.

It is an amenable number.

2952768561 is a deficient number, since it is larger than the sum of its proper divisors (1109492943).

2952768561 is a wasteful number, since it uses less digits than its factorization.

2952768561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216040.

The product of its digits is 1814400, while the sum is 51.

The square root of 2952768561 is about 54339.3831488728. The cubic root of 2952768561 is about 1434.6406625745.

The spelling of 2952768561 in words is "two billion, nine hundred fifty-two million, seven hundred sixty-eight thousand, five hundred sixty-one".

Divisors: 1 3 47 97 141 291 4559 13677 215893 647679 10146971 20941621 30440913 62824863 984256187 2952768561