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102091108272 = 24319710796437
BaseRepresentation
bin101111100010100011…
…0101010111110110000
3100202111220102122112020
41133011012222332300
53133040310431042
6114522222431440
710242625050036
oct1370506527660
9322456378466
10102091108272
113a32985075a
1217952132580
13981cb0630a
144d26a74556
1529c7ae73ec
hex17c51aafb0

102091108272 has 40 divisors (see below), whose sum is σ = 265074145776. Its totient is φ = 33857623296.

The previous prime is 102091108213. The next prime is 102091108277. The reversal of 102091108272 is 272801190201.

It is not an unprimeable number, because it can be changed into a prime (102091108277) 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, 5388763 + ... + 5407674.

Almost surely, 2102091108272 is an apocalyptic number.

102091108272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102091108272 is an abundant number, since it is smaller than the sum of its proper divisors (162983037504).

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

102091108272 is a wasteful number, since it uses less digits than its factorization.

102091108272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10796645 (or 10796639 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

Adding to 102091108272 its reverse (272801190201), we get a palindrome (374892298473).

The spelling of 102091108272 in words is "one hundred two billion, ninety-one million, one hundred eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 197 394 591 788 1182 1576 2364 3152 4728 9456 10796437 21592874 32389311 43185748 64778622 86371496 129557244 172742992 259114488 518228976 2126898089 4253796178 6380694267 8507592356 12761388534 17015184712 25522777068 34030369424 51045554136 102091108272