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381123254484 = 22347823320411
BaseRepresentation
bin1011000101111001011…
…01110101100011010100
31100102202010122100020000
411202330231311203110
522221020023120414
6451030254011300
736351406132350
oct5427455654324
91312663570200
10381123254484
111376a7161075
1261a454a6b30
1329c2a896c3b
1414637150460
159da95a8b09
hex58bcb758d4

381123254484 has 120 divisors (see below), whose sum is σ = 1138858636608. Its totient is φ = 108873797760.

The previous prime is 381123254429. The next prime is 381123254489. The reversal of 381123254484 is 484452321183.

381123254484 is a `hidden beast` number, since 3 + 8 + 1 + 1 + 23 + 2 + 544 + 84 = 666.

It is a super-2 number, since 2×3811232544842 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381123254489) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18662239 + ... + 18682649.

Almost surely, 2381123254484 is an apocalyptic number.

It is an amenable number.

381123254484 is an abundant number, since it is smaller than the sum of its proper divisors (757735382124).

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

381123254484 is a wasteful number, since it uses less digits than its factorization.

381123254484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28667 (or 28656 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 381123254484 in words is "three hundred eighty-one billion, one hundred twenty-three million, two hundred fifty-four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 8233 16466 20411 24699 32932 40822 49398 57631 61233 74097 81644 98796 115262 122466 142877 148194 172893 183699 222291 230524 244932 285754 296388 345786 367398 428631 444582 518679 551097 571508 666873 691572 734796 857262 889164 1037358 1102194 1285893 1333746 1556037 1653291 1714524 2074716 2204388 2571786 2667492 3112074 3306582 3857679 4668111 5143572 6224148 6613164 7715358 9336222 11573037 15430716 18672444 23146074 46292148 168043763 336087526 504131289 672175052 1008262578 1176306341 1512393867 2016525156 2352612682 3024787734 3528919023 4537181601 4705225364 6049575468 7057838046 9074363202 10586757069 13611544803 14115676092 18148726404 21173514138 27223089606 31760271207 42347028276 54446179212 63520542414 95280813621 127041084828 190561627242 381123254484