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102788933929919 = 677304161518117
BaseRepresentation
bin10111010111110001101001…
…111001001100101110111111
3111110221112012112112111212222
4113113301221321030232333
5101433043214041224134
61002340330115515555
730436153414331336
oct2727615171145677
9443845175474788
10102788933929919
112a82a5a6557496
12b641225bb8bbb
134547c54b38503
141b55022078d1d
15bd3b992eda2e
hex5d7c69e4cbbf

102788933929919 has 16 divisors (see below), whose sum is σ = 103004044393536. Its totient is φ = 102574033536000.

The previous prime is 102788933929909. The next prime is 102788933929991. The reversal of 102788933929919 is 919929339887201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102788933929919 is a prime.

It is a super-2 number, since 2×1027889339299192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102788933929909) 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, 12663410249 + ... + 12663418365.

It is an arithmetic number, because the mean of its divisors is an integer number (6437752774596).

Almost surely, 2102788933929919 is an apocalyptic number.

102788933929919 is a deficient number, since it is larger than the sum of its proper divisors (215110463617).

102788933929919 is an equidigital number, since it uses as much as digits as its factorization.

102788933929919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986.

The product of its (nonzero) digits is 952342272, while the sum is 80.

The spelling of 102788933929919 in words is "one hundred two trillion, seven hundred eighty-eight billion, nine hundred thirty-three million, nine hundred twenty-nine thousand, nine hundred nineteen".

Divisors: 1 677 3041 6151 8117 2058757 4164227 5495209 18705191 24683797 49927667 12663414307 16710930569 33801030559 151830035347 102788933929919