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151968914 = 2531433669
BaseRepresentation
bin10010000111011…
…01110010010010
3101120221211011022
421003231302102
5302401001124
623025115442
73523500026
oct1103556222
9346854138
10151968914
1178867549
1242a88b82
132563b146
141627c386
15d51cc5e
hex90edc92

151968914 has 8 divisors (see below), whose sum is σ = 232254540. Its totient is φ = 74550736.

The previous prime is 151968911. The next prime is 151968917. The reversal of 151968914 is 419869151.

It is an interprime number because it is at equal distance from previous prime (151968911) and next prime (151968917).

It can be written as a sum of positive squares in 2 ways, for example, as 142014889 + 9954025 = 11917^2 + 3155^2 .

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

It is not an unprimeable number, because it can be changed into a prime (151968911) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 716729 + ... + 716940.

Almost surely, 2151968914 is an apocalyptic number.

151968914 is a deficient number, since it is larger than the sum of its proper divisors (80285626).

151968914 is a wasteful number, since it uses less digits than its factorization.

151968914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433724.

The product of its digits is 77760, while the sum is 44.

The square root of 151968914 is about 12327.5672376994. The cubic root of 151968914 is about 533.6439457141.

The spelling of 151968914 in words is "one hundred fifty-one million, nine hundred sixty-eight thousand, nine hundred fourteen".

Divisors: 1 2 53 106 1433669 2867338 75984457 151968914