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151414141 = 741120431
BaseRepresentation
bin10010000011001…
…10010101111101
3101112220122011011
421001212111331
5302230223031
623005155221
73515666434
oct1101462575
9345818134
10151414141
117851875a
124285bb11
13254a5788
141617611b
15d45d6b1
hex906657d

151414141 has 4 divisors (see below), whose sum is σ = 151441984. Its totient is φ = 151386300.

The previous prime is 151414127. The next prime is 151414147. The reversal of 151414141 is 141414151.

151414141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141414151 = 659214589.

It is a cyclic number.

It is not a de Polignac number, because 151414141 - 29 = 151413629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151414147) 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, 2805 + ... + 17626.

It is an arithmetic number, because the mean of its divisors is an integer number (37860496).

Almost surely, 2151414141 is an apocalyptic number.

It is an amenable number.

151414141 is a deficient number, since it is larger than the sum of its proper divisors (27843).

151414141 is an equidigital number, since it uses as much as digits as its factorization.

151414141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27842.

The product of its digits is 320, while the sum is 22.

The square root of 151414141 is about 12305.0453473362. The cubic root of 151414141 is about 532.9937859125.

Adding to 151414141 its reverse (141414151), we get a palindrome (292828292).

The spelling of 151414141 in words is "one hundred fifty-one million, four hundred fourteen thousand, one hundred forty-one".

Divisors: 1 7411 20431 151414141