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380442647850 = 2352131173111913
BaseRepresentation
bin1011000100101000010…
…01100001110100101010
31100100222200221221102220
411202110021201310222
522213121304212400
6450434542134510
736325503102426
oct5422411416452
91310880857386
10380442647850
11137387a58251
1261895581436
1329b4c887b15
14145b09c3b86
159d699677a0
hex5894261d2a

380442647850 has 96 divisors (see below), whose sum is σ = 956203959744. Its totient is φ = 100094092800.

The previous prime is 380442647831. The next prime is 380442647857. The reversal of 380442647850 is 58746244083.

It is a junction number, because it is equal to n+sod(n) for n = 380442647793 and 380442647802.

It is not an unprimeable number, because it can be changed into a prime (380442647857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3343494 + ... + 3455406.

It is an arithmetic number, because the mean of its divisors is an integer number (9960457914).

Almost surely, 2380442647850 is an apocalyptic number.

380442647850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 380442647850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478101979872).

380442647850 is an abundant number, since it is smaller than the sum of its proper divisors (575761311894).

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

380442647850 is a wasteful number, since it uses less digits than its factorization.

380442647850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112232 (or 112227 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 380442647850 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-seven thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 131 150 173 262 346 393 519 655 786 865 1038 1310 1730 1965 2595 3275 3930 4325 5190 6550 8650 9825 12975 19650 22663 25950 45326 67989 111913 113315 135978 223826 226630 335739 339945 559565 566575 671478 679890 1119130 1133150 1678695 1699725 2797825 3357390 3399450 5595650 8393475 14660603 16786950 19360949 29321206 38721898 43981809 58082847 73303015 87963618 96804745 116165694 146606030 193609490 219909045 290414235 366515075 439818090 484023725 580828470 733030150 968047450 1099545225 1452071175 2199090450 2536284319 2904142350 5072568638 7608852957 12681421595 15217705914 25362843190 38044264785 63407107975 76088529570 126814215950 190221323925 380442647850