Search a number
-
+
78000100050010 = 25136744211290643
BaseRepresentation
bin10001101111000011010000…
…010000011000010001011010
3101020011201220002021020110211
4101233003100100120101122
540210423201103100020
6433520430140001334
722300215123043255
oct2157032020302132
9336151802236424
1078000100050010
1122942725024416
1288b8b3783024a
13346a4bb25b348
14153932150a09c
15903e6562085a
hex46f0d041845a

78000100050010 has 32 divisors (see below), whose sum is σ = 140534776559232. Its totient is φ = 31170140064960.

The previous prime is 78000100049983. The next prime is 78000100050013. The reversal of 78000100050010 is 1005000100087.

It is not an unprimeable number, because it can be changed into a prime (78000100050013) 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, 59789749 + ... + 61080391.

It is an arithmetic number, because the mean of its divisors is an integer number (4391711767476).

Almost surely, 278000100050010 is an apocalyptic number.

78000100050010 is a deficient number, since it is larger than the sum of its proper divisors (62534676509222).

78000100050010 is a wasteful number, since it uses less digits than its factorization.

78000100050010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296438.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 78000100050010 its reverse (1005000100087), we get a palindrome (79005100150097).

The spelling of 78000100050010 in words is "seventy-eight trillion, one hundred million, fifty thousand, ten".

Divisors: 1 2 5 10 1367 2734 4421 6835 8842 13670 22105 44210 1290643 2581286 6043507 6453215 12087014 12906430 30217535 60435070 1764308981 3528617962 5705932703 8821544905 11411865406 17643089810 28529663515 57059327030 7800010005001 15600020010002 39000050025005 78000100050010