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151421116136 = 2318927639517
BaseRepresentation
bin1000110100000101100…
…1101101111011101000
3112110211210112200201112
42031001121231323220
54440102301204021
6153321212005452
713640233151663
oct2150131557350
9473753480645
10151421116136
11592432aa7a4
122541a760888
1311381b12394
1474863dc6da
153e13745d5b
hex234166dee8

151421116136 has 8 divisors (see below), whose sum is σ = 283914592770. Its totient is φ = 75710558064.

The previous prime is 151421116127. The next prime is 151421116139. The reversal of 151421116136 is 631611124151.

151421116136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139124524036 + 12296592100 = 372994^2 + 110890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (151421116139) by changing a digit.

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, 9463819751 + ... + 9463819766.

Almost surely, 2151421116136 is an apocalyptic number.

It is an amenable number.

151421116136 is a deficient number, since it is larger than the sum of its proper divisors (132493476634).

151421116136 is a wasteful number, since it uses less digits than its factorization.

151421116136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18927639523 (or 18927639519 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The spelling of 151421116136 in words is "one hundred fifty-one billion, four hundred twenty-one million, one hundred sixteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 18927639517 37855279034 75710558068 151421116136