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23530144134 = 237560241527
BaseRepresentation
bin10101111010100000…
…011000000110000110
32020201212010011121210
4111322200120012012
5341142204103014
614450512352250
71462045632210
oct257240300606
966655104553
1023530144134
119a85175612
124688245686
1322acb69a13
1411d308d5b0
1592ab2e859
hex57a818186

23530144134 has 16 divisors (see below), whose sum is σ = 53783186688. Its totient is φ = 6722898312.

The previous prime is 23530144133. The next prime is 23530144139. The reversal of 23530144134 is 43144103532.

It is a super-3 number, since 3×235301441343 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530144133) 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, 280120722 + ... + 280120805.

It is an arithmetic number, because the mean of its divisors is an integer number (3361449168).

Almost surely, 223530144134 is an apocalyptic number.

23530144134 is an abundant number, since it is smaller than the sum of its proper divisors (30253042554).

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

23530144134 is a wasteful number, since it uses less digits than its factorization.

23530144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560241539.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23530144134 its reverse (43144103532), we get a palindrome (66674247666).

The spelling of 23530144134 in words is "twenty-three billion, five hundred thirty million, one hundred forty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 560241527 1120483054 1680724581 3361449162 3921690689 7843381378 11765072067 23530144134