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180428245532122 = 27531148892116519
BaseRepresentation
bin101001000001100100111001…
…011110110111110111011010
3212122211202211122200121210211
4221001210321132313313122
5142122114021324011442
61435423331451201334
753001340060244020
oct5101447136676732
9778752748617724
10180428245532122
1152543209936a95
12182a025244624a
13798a4063710c3
14327aab8d90710
1515cd5456b8617
hexa419397b7dda

180428245532122 has 32 divisors (see below), whose sum is σ = 315144409708800. Its totient is φ = 75866706235008.

The previous prime is 180428245532099. The next prime is 180428245532147. The reversal of 180428245532122 is 221235542824081.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84189379 + ... + 86305897.

It is an arithmetic number, because the mean of its divisors is an integer number (9848262803400).

Almost surely, 2180428245532122 is an apocalyptic number.

180428245532122 is a deficient number, since it is larger than the sum of its proper divisors (134716164176678).

180428245532122 is a wasteful number, since it uses less digits than its factorization.

180428245532122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231470.

The product of its (nonzero) digits is 2457600, while the sum is 49.

The spelling of 180428245532122 in words is "one hundred eighty trillion, four hundred twenty-eight billion, two hundred forty-five million, five hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 7 14 53 106 371 742 114889 229778 804223 1608446 2116519 4233038 6089117 12178234 14815633 29631266 42623819 85247638 112175507 224351014 785228549 1570457098 243164751391 486329502782 1702153259737 3404306519474 12887731823723 25775463647446 90214122766061 180428245532122