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23229777505 = 511521810671
BaseRepresentation
bin10101101000100110…
…100100011001100001
32012221220220222001211
4111220212210121201
5340033310340010
614401022430121
71451440564564
oct255046443141
965856828054
1023229777505
119940670730
124603732341
13226287109c
1411a52224db
1590e59c08a
hex5689a4661

23229777505 has 16 divisors (see below), whose sum is σ = 30468296448. Its totient is φ = 16861936000.

The previous prime is 23229777463. The next prime is 23229777533. The reversal of 23229777505 is 50577792232.

It is not a de Polignac number, because 23229777505 - 213 = 23229769313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376681 + ... + 433990.

It is an arithmetic number, because the mean of its divisors is an integer number (1904268528).

Almost surely, 223229777505 is an apocalyptic number.

It is an amenable number.

23229777505 is a deficient number, since it is larger than the sum of its proper divisors (7238518943).

23229777505 is a wasteful number, since it uses less digits than its factorization.

23229777505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811208.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 23229777505 in words is "twenty-three billion, two hundred twenty-nine million, seven hundred seventy-seven thousand, five hundred five".

Divisors: 1 5 11 55 521 2605 5731 28655 810671 4053355 8917381 44586905 422359591 2111797955 4645955501 23229777505