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12605450106 = 238123258637
BaseRepresentation
bin10111011110101011…
…11110011101111010
31012112111101012202110
423233111332131322
5201303443400411
65442454313150
7624242362254
oct135725763572
935474335673
1012605450106
1153894a2267
1225396587b6
13125b71b022
148781c2cd4
154db9b82a6
hex2ef57e77a

12605450106 has 16 divisors (see below), whose sum is σ = 25214101344. Its totient is φ = 4201283184.

The previous prime is 12605450101. The next prime is 12605450107. The reversal of 12605450106 is 60105450621.

It is a super-2 number, since 2×126054501062 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12605450101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80581 + ... + 178056.

It is an arithmetic number, because the mean of its divisors is an integer number (1575881334).

Almost surely, 212605450106 is an apocalyptic number.

12605450106 is an abundant number, since it is smaller than the sum of its proper divisors (12608651238).

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

12605450106 is a wasteful number, since it uses less digits than its factorization.

12605450106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266765.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 12605450106 in words is "twelve billion, six hundred five million, four hundred fifty thousand, one hundred six".

Divisors: 1 2 3 6 8123 16246 24369 48738 258637 517274 775911 1551822 2100908351 4201816702 6302725053 12605450106