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107825239780 = 22519283750631
BaseRepresentation
bin110010001101011100…
…0101001011011100100
3101022022112012201012021
41210122320221123210
53231311230133110
6121311221032524
710535003262436
oct1443270513344
9338275181167
10107825239780
114180159a615
1218a92555744
13a224a9493b
14530c436656
152c112142da
hex191ae296e4

107825239780 has 24 divisors (see below), whose sum is σ = 238350530880. Its totient is φ = 40860090720.

The previous prime is 107825239763. The next prime is 107825239789. The reversal of 107825239780 is 87932528701.

It is a super-2 number, since 2×1078252397802 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (107825239789) 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, 141874936 + ... + 141875695.

It is an arithmetic number, because the mean of its divisors is an integer number (9931272120).

Almost surely, 2107825239780 is an apocalyptic number.

107825239780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107825239780 is an abundant number, since it is smaller than the sum of its proper divisors (130525291100).

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

107825239780 is a wasteful number, since it uses less digits than its factorization.

107825239780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283750659 (or 283750657 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 107825239780 in words is "one hundred seven billion, eight hundred twenty-five million, two hundred thirty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 283750631 567501262 1135002524 1418753155 2837506310 5391261989 5675012620 10782523978 21565047956 26956309945 53912619890 107825239780