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153121135 = 536918297
BaseRepresentation
bin10010010000001…
…11000101101111
3101200010100201011
421020013011233
5303144334020
623105530051
73536336206
oct1110070557
9350110634
10153121135
11794841a2
1243343927
132595272b
141649c23d
15d69935a
hex920716f

153121135 has 8 divisors (see below), whose sum is σ = 183817296. Its totient is φ = 122448960.

The previous prime is 153121109. The next prime is 153121153. The reversal of 153121135 is 531121351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153121135 - 227 = 18903407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14307 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (22977162).

Almost surely, 2153121135 is an apocalyptic number.

153121135 is a deficient number, since it is larger than the sum of its proper divisors (30696161).

153121135 is an equidigital number, since it uses as much as digits as its factorization.

153121135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993.

The product of its digits is 450, while the sum is 22.

The square root of 153121135 is about 12374.2125001957. The cubic root of 153121135 is about 534.9892390184.

Adding to 153121135 its reverse (531121351), we get a palindrome (684242486).

The spelling of 153121135 in words is "one hundred fifty-three million, one hundred twenty-one thousand, one hundred thirty-five".

Divisors: 1 5 3691 8297 18455 41485 30624227 153121135