Search a number
-
+
12154135034 = 210955752913
BaseRepresentation
bin10110101000111000…
…10110000111111010
31011101001011000212102
423110130112013322
5144342424310114
65330013143402
7610122305006
oct132434260772
934331130772
1012154135034
1151777685a8
12243248ab62
1311b90808a2
148342a1706
154b206a2de
hex2d47161fa

12154135034 has 8 divisors (see below), whose sum is σ = 18398461620. Its totient is φ = 6021314496.

The previous prime is 12154135031. The next prime is 12154135117. The reversal of 12154135034 is 43053145121.

It can be written as a sum of positive squares in 2 ways, for example, as 11565927025 + 588208009 = 107545^2 + 24253^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12154134988 and 12154135006.

It is not an unprimeable number, because it can be changed into a prime (12154135031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27876239 + ... + 27876674.

Almost surely, 212154135034 is an apocalyptic number.

12154135034 is a deficient number, since it is larger than the sum of its proper divisors (6244326586).

12154135034 is a wasteful number, since it uses less digits than its factorization.

12154135034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55753024.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12154135034 in words is "twelve billion, one hundred fifty-four million, one hundred thirty-five thousand, thirty-four".

Divisors: 1 2 109 218 55752913 111505826 6077067517 12154135034