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20113515542348 = 22157138123191811
BaseRepresentation
bin1001001001011000010101…
…11100101111011101001100
32122012211111110222112111222
410210230022330233131030
510114014434434323343
6110440004350102512
74144103444143634
oct444541274573514
978184443875458
1020113515542348
116455104190148
12230a1737aaa38
13b2b908c2c6c7
144d76dc2c76c4
1524d2ea90aa68
hex124b0af2f74c

20113515542348 has 24 divisors (see below), whose sum is σ = 35448499107504. Its totient is φ = 9985465713600.

The previous prime is 20113515542347. The next prime is 20113515542413. The reversal of 20113515542348 is 84324551531102.

It is a junction number, because it is equal to n+sod(n) for n = 20113515542299 and 20113515542308.

It is not an unprimeable number, because it can be changed into a prime (20113515542347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10728638 + ... + 12463173.

It is an arithmetic number, because the mean of its divisors is an integer number (1477020796146).

Almost surely, 220113515542348 is an apocalyptic number.

It is an amenable number.

20113515542348 is a deficient number, since it is larger than the sum of its proper divisors (15334983565156).

20113515542348 is a wasteful number, since it uses less digits than its factorization.

20113515542348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23193353 (or 23193351 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 20113515542348 in words is "twenty trillion, one hundred thirteen billion, five hundred fifteen million, five hundred forty-two thousand, three hundred forty-eight".

Divisors: 1 2 4 157 314 628 1381 2762 5524 216817 433634 867268 23191811 46383622 92767244 3641114327 7282228654 14564457308 32027890991 64055781982 128111563964 5028378885587 10056757771174 20113515542348