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381437415384 = 23367893477681
BaseRepresentation
bin1011000110011110111…
…00010000111111011000
31100110120000210100221220
411203033130100333120
522222140434243014
6451121355332040
736362242351344
oct5431734207730
91313500710856
10381437415384
11137848527883
1261b12751020
1329c7a9b246c
1414666b6c624
159dc6e636a9
hex58cf710fd8

381437415384 has 128 divisors (see below), whose sum is σ = 981648979200. Its totient is φ = 123467857920.

The previous prime is 381437415349. The next prime is 381437415397. The reversal of 381437415384 is 483514734183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49656024 + ... + 49663704.

It is an arithmetic number, because the mean of its divisors is an integer number (7669132650).

Almost surely, 2381437415384 is an apocalyptic number.

It is an amenable number.

381437415384 is an abundant number, since it is smaller than the sum of its proper divisors (600211563816).

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

381437415384 is a wasteful number, since it uses less digits than its factorization.

381437415384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193 (or 8189 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The spelling of 381437415384 in words is "three hundred eighty-one billion, four hundred thirty-seven million, four hundred fifteen thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 67 89 134 178 201 267 268 347 356 402 534 536 694 712 804 1041 1068 1388 1608 2082 2136 2776 4164 5963 7681 8328 11926 15362 17889 23043 23249 23852 30724 30883 35778 46086 46498 47704 61448 61766 69747 71556 92172 92649 92996 123532 139494 143112 184344 185298 185992 247064 278988 370596 514627 557976 683609 741192 1029254 1367218 1543881 2050827 2058508 2069161 2665307 2734436 3087762 4101654 4117016 4138322 5330614 5468872 6175524 6207483 7995921 8203308 8276644 10661228 12351048 12414966 15991842 16406616 16553288 21322456 24829932 31983684 45801803 49659864 63967368 91603606 137405409 178575569 183207212 237212323 274810818 357151138 366414424 474424646 535726707 549621636 711636969 714302276 948849292 1071453414 1099243272 1423273938 1428604552 1897698584 2142906828 2846547876 4285813656 5693095752 15893225641 31786451282 47679676923 63572902564 95359353846 127145805128 190718707692 381437415384