Search a number
-
+
61373404476456 = 23331122231674879
BaseRepresentation
bin11011111010001100110111…
…11110001111010000101000
322001022020111002012201210120
431331012123332033100220
531021020213021221311
6334310315222443240
715633040114400112
oct1575063376172050
9261266432181716
1061373404476456
1118612350909976
126a726b0b93520
132832644522787
1411226bab0c3b2
157166e2e27706
hex37d19bf8f428

61373404476456 has 64 divisors (see below), whose sum is σ = 158384509747200. Its totient is φ = 19797681105600.

The previous prime is 61373404476451. The next prime is 61373404476511. The reversal of 61373404476456 is 65467440437316.

It is a self number, because there is not a number n which added to its sum of digits gives 61373404476456.

It is not an unprimeable number, because it can be changed into a prime (61373404476451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90602425 + ... + 91277303.

It is an arithmetic number, because the mean of its divisors is an integer number (2474757964800).

Almost surely, 261373404476456 is an apocalyptic number.

It is an amenable number.

61373404476456 is an abundant number, since it is smaller than the sum of its proper divisors (97011105270744).

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

61373404476456 is a wasteful number, since it uses less digits than its factorization.

61373404476456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797150 (or 797146 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 60.

The spelling of 61373404476456 in words is "sixty-one trillion, three hundred seventy-three billion, four hundred four million, four hundred seventy-six thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 122231 244462 366693 488924 674879 733386 977848 1349758 1466772 2024637 2699516 2933544 3789161 4049274 5399032 7578322 8098548 11367483 15156644 16197096 20921249 22734966 30313288 41842498 45469932 62763747 83684996 90939864 125527494 167369992 251054988 502109976 82491135049 164982270098 247473405147 329964540196 494946810294 659929080392 989893620588 1979787241176 2557225186519 5114450373038 7671675559557 10228900746076 15343351119114 20457801492152 30686702238228 61373404476456