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381437186106 = 231937238937853
BaseRepresentation
bin1011000110011110110…
…11011001000000111010
31100110120000100201110010
411203033123121000322
522222140404423411
6451121350402350
736362240405034
oct5431733310072
91313500321403
10381437186106
11137848390599
1261b126603b6
1329c7a931cb2
1414666b0cc54
159dc6e1a7a6
hex58cf6d903a

381437186106 has 64 divisors (see below), whose sum is σ = 825096067200. Its totient is φ = 117146186496.

The previous prime is 381437186101. The next prime is 381437186111. The reversal of 381437186106 is 601681734183.

381437186106 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (381437186101) and next prime (381437186111).

It is not an unprimeable number, because it can be changed into a prime (381437186101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10057876 + ... + 10095728.

It is an arithmetic number, because the mean of its divisors is an integer number (12892126050).

Almost surely, 2381437186106 is an apocalyptic number.

381437186106 is an abundant number, since it is smaller than the sum of its proper divisors (443658881094).

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

381437186106 is a wasteful number, since it uses less digits than its factorization.

381437186106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40303.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 381437186106 in words is "three hundred eighty-one billion, four hundred thirty-seven million, one hundred eighty-six thousand, one hundred six".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 2389 4218 4778 7167 14334 37853 45391 75706 88393 90782 113559 136173 176786 227118 265179 272346 530358 719207 1400561 1438414 1679467 2157621 2801122 3358934 4201683 4315242 5038401 8403366 10076802 26610659 53221318 79831977 90430817 159663954 180861634 271292451 542584902 1718185523 3345940229 3436371046 5154556569 6691880458 10037820687 10309113138 20075641374 63572864351 127145728702 190718593053 381437186106