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154554341956 = 2272280812
BaseRepresentation
bin1000111111110000101…
…0000001101001000100
3112202221011021001112021
42033330022001221010
510013011402420311
6155000135532524
714111000142100
oct2177412015104
9482834231467
10154554341956
115a600995723
1225b53b2a144
1311760ca1761
1476a25a4900
154048854171
hex23fc281a44

154554341956 has 27 divisors (see below), whose sum is σ = 314639686557. Its totient is φ = 66235216320.

The previous prime is 154554341951. The next prime is 154554341959. The reversal of 154554341956 is 659143455451.

The square root of 154554341956 is 393134.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 38246060356 + 116308281600 = 195566^2 + 341040^2 .

It is not an unprimeable number, because it can be changed into a prime (154554341951) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5489836 + ... + 5517916.

Almost surely, 2154554341956 is an apocalyptic number.

154554341956 is the 393134-th square number.

It is an amenable number.

154554341956 is an abundant number, since it is smaller than the sum of its proper divisors (160085344601).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154554341956 is an frugal number, since it uses more digits than its factorization.

154554341956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56180 (or 28090 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 52.

The spelling of 154554341956 in words is "one hundred fifty-four billion, five hundred fifty-four million, three hundred forty-one thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 28081 56162 112324 196567 393134 786268 1375969 2751938 5503876 788542561 1577085122 3154170244 5519797927 11039595854 22079191708 38638585489 77277170978 154554341956