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28502298847814 = 21111202191156523
BaseRepresentation
bin1100111101100001101010…
…11001011110101001000110
310201220210102012202012010012
412132300311121132221012
512213440202001112224
6140341435245430222
76001136351552651
oct636606531365106
9121823365665105
1028502298847814
1190998367120a0
123243b2a26b372
1312b99a838652c
1470773916c898
1534662467480e
hex19ec3565ea46

28502298847814 has 16 divisors (see below), whose sum is σ = 46640207350080. Its totient is φ = 12955567617960.

The previous prime is 28502298847733. The next prime is 28502298847819. The reversal of 28502298847814 is 41874889220582.

It is a super-2 number, since 2×285022988478142 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28502298847819) 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, 24066557 + ... + 25223079.

It is an arithmetic number, because the mean of its divisors is an integer number (2915012959380).

Almost surely, 228502298847814 is an apocalyptic number.

28502298847814 is a deficient number, since it is larger than the sum of its proper divisors (18137908502266).

28502298847814 is a wasteful number, since it uses less digits than its factorization.

28502298847814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276755.

The product of its (nonzero) digits is 165150720, while the sum is 68.

The spelling of 28502298847814 in words is "twenty-eight trillion, five hundred two billion, two hundred ninety-eight million, eight hundred forty-seven thousand, eight hundred fourteen".

Divisors: 1 2 11 22 1120219 1156523 2240438 2313046 12322409 12721753 24644818 25443506 1295559038537 2591118077074 14251149423907 28502298847814