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107460051721 = 11217217532
BaseRepresentation
bin110010000010100011…
…1100100001100001001
3101021101002001020100121
41210011013210030021
53230034233123341
6121211053503241
710522650240301
oct1440507441411
9337332036317
10107460051721
1141634441400
12189b01a1b21
13a197221629
1452b5b34601
152bde12a4d1
hex19051e4309

107460051721 has 27 divisors (see below), whose sum is σ = 125545648053. Its totient is φ = 91891979520.

The previous prime is 107460051689. The next prime is 107460051733. The reversal of 107460051721 is 127150064701.

The square root of 107460051721 is 327811.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10689285321 + 96770766400 = 103389^2 + 311080^2 .

It is not a de Polignac number, because 107460051721 - 25 = 107460051689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107460051821) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 61299781 + ... + 61301533.

Almost surely, 2107460051721 is an apocalyptic number.

107460051721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107460051721 is the 327811-st square number.

107460051721 is the 163906-th centered octagonal number.

It is an amenable number.

107460051721 is a deficient number, since it is larger than the sum of its proper divisors (18085596332).

107460051721 is an frugal number, since it uses more digits than its factorization.

107460051721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 107460051721 in words is "one hundred seven billion, four hundred sixty million, fifty-one thousand, seven hundred twenty-one".

Divisors: 1 11 17 121 187 289 1753 2057 3179 19283 29801 34969 212113 327811 506617 3073009 3605921 5572787 33803099 52241153 61300657 371834089 574652683 888099601 6321179513 9769095611 107460051721