Search a number
-
+
20432151103541 = 131521355784163
BaseRepresentation
bin1001010010101001110110…
…00110111100100000110101
32200100021221202000011100012
410221110323012330200311
510134230021140303131
6111242222312030005
74206113515550432
oct451247306744065
980307852004305
1020432151103541
1165682546a6391
12235ba7a092305
13b529888587a8
14508cc8418b89
1525674916752b
hex12953b1bc835

20432151103541 has 16 divisors (see below), whose sum is σ = 20633682598848. Its totient is φ = 20231332867200.

The previous prime is 20432151103537. The next prime is 20432151103591. The reversal of 20432151103541 is 14530115123402.

It is a cyclic number.

It is not a de Polignac number, because 20432151103541 - 22 = 20432151103537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20432151103498 and 20432151103507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432151103591) 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, 242726726 + ... + 242810888.

It is an arithmetic number, because the mean of its divisors is an integer number (1289605162428).

Almost surely, 220432151103541 is an apocalyptic number.

It is an amenable number.

20432151103541 is a deficient number, since it is larger than the sum of its proper divisors (201531495307).

20432151103541 is a wasteful number, since it uses less digits than its factorization.

20432151103541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88372.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 20432151103541 its reverse (14530115123402), we get a palindrome (34962266226943).

The spelling of 20432151103541 in words is "twenty trillion, four hundred thirty-two billion, one hundred fifty-one million, one hundred three thousand, five hundred forty-one".

Divisors: 1 131 521 3557 68251 84163 465967 1853197 11025353 43848923 242768807 299367791 5744208913 39217180621 155970619111 20432151103541