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670939346271138 = 237229230213030221
BaseRepresentation
bin1001100010001101110011110…
…1011001100111101110100010
310020222121011201122020200211120
42120203130331121213232202
51200420132240121134023
610334545140334353110
7261215524315420410
oct23043347531475642
93228534648220746
10670939346271138
1118486686268780a
126330065965b796
1322a4b402793969
14bb978cd9162b0
155287a135e48e3
hex262373d667ba2

670939346271138 has 64 divisors (see below), whose sum is σ = 1540339901118720. Its totient is φ = 190851497798400.

The previous prime is 670939346271127. The next prime is 670939346271239. The reversal of 670939346271138 is 831172643939076.

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, 219900868 + ... + 222931088.

It is an arithmetic number, because the mean of its divisors is an integer number (24067810954980).

Almost surely, 2670939346271138 is an apocalyptic number.

670939346271138 is an abundant number, since it is smaller than the sum of its proper divisors (869400554847582).

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

670939346271138 is a wasteful number, since it uses less digits than its factorization.

670939346271138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053483.

The product of its (nonzero) digits is 246903552, while the sum is 69.

The spelling of 670939346271138 in words is "six hundred seventy trillion, nine hundred thirty-nine billion, three hundred forty-six million, two hundred seventy-one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 229 458 687 1374 1603 3206 4809 9618 23021 46042 69063 138126 161147 322294 483441 966882 3030221 5271809 6060442 9090663 10543618 15815427 18181326 21211547 31630854 36902663 42423094 63634641 73805326 110707989 127269282 221415978 693920609 1387841218 2081761827 4163523654 4857444263 9714888526 14572332789 29144665578 69758717641 139517435282 209276152923 418552305846 488311023487 976622046974 1464933070461 2929866140922 15974746339789 31949492679578 47924239019367 95848478038734 111823224378523 223646448757046 335469673135569 670939346271138