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20611724134 = 2194789129671
BaseRepresentation
bin10011001100100011…
…011111001101100110
31222012110121002000011
4103030203133031212
5314203100133014
613245140440434
71326530523121
oct231443371546
958173532004
1020611724134
118817865461
123bb29a911a
131c36349a91
14dd76413b8
158098027c4
hex4cc8df366

20611724134 has 32 divisors (see below), whose sum is σ = 33610982400. Its totient is φ = 9448274880.

The previous prime is 20611724129. The next prime is 20611724167. The reversal of 20611724134 is 43142711602.

It is a super-3 number, since 3×206117241343 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20611724096 and 20611724105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94119 + ... + 223789.

It is an arithmetic number, because the mean of its divisors is an integer number (1050343200).

Almost surely, 220611724134 is an apocalyptic number.

20611724134 is a deficient number, since it is larger than the sum of its proper divisors (12999258266).

20611724134 is a wasteful number, since it uses less digits than its factorization.

20611724134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129828.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 20611724134 in words is "twenty billion, six hundred eleven million, seven hundred twenty-four thousand, one hundred thirty-four".

Divisors: 1 2 19 38 47 89 94 178 893 1691 1786 3382 4183 8366 79477 129671 158954 259342 2463749 4927498 6094537 11540719 12189074 23081438 115796203 219273661 231592406 438547322 542413793 1084827586 10305862067 20611724134