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103003211421 = 32112715217369
BaseRepresentation
bin101111111101101111…
…0000100011010011101
3100211212110201021211100
41133323132010122131
53141422310231141
6115152524143313
710304341564635
oct1377336043235
9324773637740
10103003211421
113a75769a310
1217b67697b39
139936a79916
144db1c616c5
152a2cc150b6
hex17fb78469d

103003211421 has 48 divisors (see below), whose sum is σ = 163241844480. Its totient is φ = 62068032000.

The previous prime is 103003211393. The next prime is 103003211453. The reversal of 103003211421 is 124112300301.

103003211421 is a `hidden beast` number, since 1 + 0 + 30 + 0 + 3 + 211 + 421 = 666.

It is not a de Polignac number, because 103003211421 - 29 = 103003210909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103003211394 and 103003211403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003211461) 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 47 ways as a sum of consecutive naturals, for example, 13974225 + ... + 13981593.

It is an arithmetic number, because the mean of its divisors is an integer number (3400871760).

Almost surely, 2103003211421 is an apocalyptic number.

103003211421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103003211421 is a deficient number, since it is larger than the sum of its proper divisors (60238633059).

103003211421 is a wasteful number, since it uses less digits than its factorization.

103003211421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178 (or 8175 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103003211421 its reverse (124112300301), we get a palindrome (227115511722).

The spelling of 103003211421 in words is "one hundred three billion, three million, two hundred eleven thousand, four hundred twenty-one".

Divisors: 1 3 9 11 33 99 271 521 813 1563 2439 2981 4689 5731 7369 8943 17193 22107 26829 51579 66321 81059 141191 243177 423573 729531 1270719 1553101 1996999 3839249 4659303 5990997 11517747 13977909 17972991 21966989 34553241 42231739 65900967 126695217 197702901 380085651 1040436479 3121309437 9363928311 11444801269 34334403807 103003211421