Search a number
-
+
20101410154551 = 311432714639993
BaseRepresentation
bin1001001001000001110010…
…11010010110100000110111
32122011200020211120010021210
410210200321122112200313
510113320141444421201
6110430243233412503
74143164453065065
oct444407132264067
978150224503253
1020101410154551
11644aa61a98120
12230795570a133
13b2a729cb8c4b
144d6cb06b5035
1524cd3ccbe1d6
hex124839696837

20101410154551 has 48 divisors (see below), whose sum is σ = 30355805866752. Its totient is φ = 11731755772800.

The previous prime is 20101410154523. The next prime is 20101410154571. The reversal of 20101410154551 is 15545101410102.

It is a de Polignac number, because none of the positive numbers 2k-20101410154551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101410154571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2012211 + ... + 6652203.

It is an arithmetic number, because the mean of its divisors is an integer number (632412622224).

Almost surely, 220101410154551 is an apocalyptic number.

20101410154551 is a deficient number, since it is larger than the sum of its proper divisors (10254395712201).

20101410154551 is a wasteful number, since it uses less digits than its factorization.

20101410154551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640164 (or 4640121 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 20101410154551 its reverse (15545101410102), we get a palindrome (35646511564653).

The spelling of 20101410154551 in words is "twenty trillion, one hundred one billion, four hundred ten million, one hundred fifty-four thousand, five hundred fifty-one".

Divisors: 1 3 11 33 43 71 129 213 473 781 1419 1849 2343 3053 5547 9159 20339 33583 61017 100749 131279 393837 1444069 4332207 4639993 13919979 51039923 153119769 199519699 329439503 598559097 988318509 2194716689 3623834533 6584150067 8579347057 10871503599 14165898629 25738041171 42497695887 94372817627 155824884919 283118452881 467474654757 609133641047 1827400923141 6700470051517 20101410154551