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129046224392 = 231723122412
BaseRepresentation
bin111100000101111000…
…0010001111000001000
3110100002110020102110022
41320023300101320020
54103241313140032
6135141044240012
712215612544311
oct1701360217010
9410073212408
10129046224392
114a801258428
12210153a0008
13c227400377
146362951608
153554263512
hex1e0bc11e08

129046224392 has 108 divisors (see below), whose sum is σ = 266697373095. Its totient is φ = 58524825600.

The previous prime is 129046224389. The next prime is 129046224401. The reversal of 129046224392 is 293422640921.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 122579812996 + 6466411396 = 350114^2 + 80414^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=254014.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 535461392 + ... + 535461632.

Almost surely, 2129046224392 is an apocalyptic number.

It is an amenable number.

129046224392 is an abundant number, since it is smaller than the sum of its proper divisors (137651148703).

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

129046224392 is an equidigital number, since it uses as much as digits as its factorization.

129046224392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 129046224392 in words is "one hundred twenty-nine billion, forty-six million, two hundred twenty-four thousand, three hundred ninety-two".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 241 248 289 482 527 578 961 964 1054 1156 1922 1928 2108 2312 3844 4097 4216 7471 7688 8194 8959 14942 16337 16388 17918 29884 32674 32776 35836 58081 59768 65348 69649 71672 116162 127007 130696 139298 231601 232324 254014 277729 278596 463202 464648 508028 555458 557192 926404 987377 1016056 1110916 1800511 1852808 1974754 2159119 2221832 3601022 3937217 3949508 4318238 7202044 7874434 7899016 8636476 14404088 15748868 16785409 17272952 30608687 31497736 33570818 55815841 61217374 66932689 67141636 111631682 122434748 133865378 134283272 223263364 244869496 267730756 446526728 520347679 535461512 948869297 1040695358 1897738594 2081390716 3795477188 4162781432 7590954376 16130778049 32261556098 64523112196 129046224392