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130204154 = 23110320389
BaseRepresentation
bin1111100001011…
…00000111111010
3100002000001112002
413300230013322
5231313013104
620530421002
73140500643
oct760540772
9302001462
10130204154
1167551343
1237731762
1320c8a6a2
14134146ca
15b66e01e
hex7c2c1fa

130204154 has 16 divisors (see below), whose sum is σ = 203573760. Its totient is φ = 62387280.

The previous prime is 130204153. The next prime is 130204157. The reversal of 130204154 is 451402031.

It is not an unprimeable number, because it can be changed into a prime (130204153) 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, 3809 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (12723360).

Almost surely, 2130204154 is an apocalyptic number.

130204154 is a deficient number, since it is larger than the sum of its proper divisors (73369606).

130204154 is a wasteful number, since it uses less digits than its factorization.

130204154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20525.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130204154 is about 11410.7034840101. The cubic root of 130204154 is about 506.8447434025.

Adding to 130204154 its reverse (451402031), we get a palindrome (581606185).

The spelling of 130204154 in words is "one hundred thirty million, two hundred four thousand, one hundred fifty-four".

Divisors: 1 2 31 62 103 206 3193 6386 20389 40778 632059 1264118 2100067 4200134 65102077 130204154