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4242130154 = 22121065077
BaseRepresentation
bin1111110011011001…
…1100010011101010
3101221122022112120122
43330312130103222
532141441131104
61540535323242
7210060340253
oct37466342352
911848275518
104242130154
111887632199
129a4820522
13527b39cb2
142c3581b2a
1519c6526be
hexfcd9c4ea

4242130154 has 4 divisors (see below), whose sum is σ = 6363195234. Its totient is φ = 2121065076.

The previous prime is 4242130147. The next prime is 4242130273. The reversal of 4242130154 is 4510312424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3595801225 + 646328929 = 59965^2 + 25423^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060532537 + ... + 1060532540.

Almost surely, 24242130154 is an apocalyptic number.

4242130154 is a deficient number, since it is larger than the sum of its proper divisors (2121065080).

4242130154 is a wasteful number, since it uses less digits than its factorization.

4242130154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121065079.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4242130154 is about 65131.6371205269. The cubic root of 4242130154 is about 1618.8054693077.

Adding to 4242130154 its reverse (4510312424), we get a palindrome (8752442578).

The spelling of 4242130154 in words is "four billion, two hundred forty-two million, one hundred thirty thousand, one hundred fifty-four".

Divisors: 1 2 2121065077 4242130154