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11445210042 = 237272505001
BaseRepresentation
bin10101010100011000…
…00000101110111010
31002112122011220121020
422222030000232322
5141414433210132
65131410323310
7553423452210
oct125214005672
932478156536
1011445210042
114943582782
122274b89536
131105238046
147a8082cb0
1546ebd352c
hex2aa300bba

11445210042 has 16 divisors (see below), whose sum is σ = 26160480192. Its totient is φ = 3270060000.

The previous prime is 11445210041. The next prime is 11445210047. The reversal of 11445210042 is 24001254411.

It is a junction number, because it is equal to n+sod(n) for n = 11445209994 and 11445210021.

It is not an unprimeable number, because it can be changed into a prime (11445210041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136252459 + ... + 136252542.

It is an arithmetic number, because the mean of its divisors is an integer number (1635030012).

Almost surely, 211445210042 is an apocalyptic number.

11445210042 is an abundant number, since it is smaller than the sum of its proper divisors (14715270150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11445210042 is a wasteful number, since it uses less digits than its factorization.

11445210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272505013.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11445210042 its reverse (24001254411), we get a palindrome (35446464453).

The spelling of 11445210042 in words is "eleven billion, four hundred forty-five million, two hundred ten thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 272505001 545010002 817515003 1635030006 1907535007 3815070014 5722605021 11445210042