Search a number
-
+
144464379763912 = 23131817674478313
BaseRepresentation
bin100000110110001110111100…
…000010011101110011001000
3200221111122211000101110212121
4200312032330002131303020
5122413401022204421122
61231130004143021024
742300131001125005
oct4066167402356310
9627448730343777
10144464379763912
1142037aaa21a76a
12142521b859a774
13627bc17aa0910
142796182c108ac
1511a7cb3d80bc7
hex8363bc09dcc8

144464379763912 has 32 divisors (see below), whose sum is σ = 293318561161080. Its totient is φ = 66307492615680.

The previous prime is 144464379763901. The next prime is 144464379763943. The reversal of 144464379763912 is 219367973464441.

It can be written as a sum of positive squares in 4 ways, for example, as 82659845328516 + 61804534435396 = 9091746^2 + 7861586^2 .

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837220333 + ... + 3837257980.

Almost surely, 2144464379763912 is an apocalyptic number.

It is an amenable number.

144464379763912 is an abundant number, since it is smaller than the sum of its proper divisors (148854181397168).

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

144464379763912 is a wasteful number, since it uses less digits than its factorization.

144464379763912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7674478513 (or 7674478509 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 70.

The spelling of 144464379763912 in words is "one hundred forty-four trillion, four hundred sixty-four billion, three hundred seventy-nine million, seven hundred sixty-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 181 362 724 1448 2353 4706 9412 18824 7674478313 15348956626 30697913252 61395826504 99768218069 199536436138 399072872276 798145744552 1389080574653 2778161149306 5556322298612 11112644597224 18058047470489 36116094940978 72232189881956 144464379763912