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154542220130 = 25317155931271
BaseRepresentation
bin1000111111101101101…
…1110010001101100010
3112202220022110012111202
42033323123302031202
510013000302021010
6154555024041202
714110462124354
oct2177333621542
9482808405452
10154542220130
115a5a5066391
1225b4ba63202
131175b61918c
1476a0b2b0d4
15404775c6a5
hex23fb6f2362

154542220130 has 32 divisors (see below), whose sum is σ = 279241447680. Its totient is φ = 61580386240.

The previous prime is 154542220111. The next prime is 154542220139. The reversal of 154542220130 is 31022245451.

It is a junction number, because it is equal to n+sod(n) for n = 154542220093 and 154542220102.

It is not an unprimeable number, because it can be changed into a prime (154542220139) 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, 4926395 + ... + 4957665.

It is an arithmetic number, because the mean of its divisors is an integer number (8726295240).

Almost surely, 2154542220130 is an apocalyptic number.

154542220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154542220130 is a deficient number, since it is larger than the sum of its proper divisors (124699227550).

154542220130 is a wasteful number, since it uses less digits than its factorization.

154542220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33154.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 154542220130 its reverse (31022245451), we get a palindrome (185564465581).

The spelling of 154542220130 in words is "one hundred fifty-four billion, five hundred forty-two million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 317 634 1559 1585 3118 3170 7795 15590 31271 62542 156355 312710 494203 988406 2471015 4942030 9912907 19825814 48751489 49564535 97502978 99129070 243757445 487514890 15454222013 30908444026 77271110065 154542220130