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87400108954072 = 2375714431986287
BaseRepresentation
bin10011110111110101101100…
…011100101001000111011000
3102110110100221212101210220001
4103313311230130221013120
542423430410343012242
6505515020013342344
724260310114306115
oct2367655434510730
9373410855353801
1087400108954072
11259371a5a96672
1299768877979b4
13399ca44556135
14178228b63190c
15a187263a3eb7
hex4f7d6c7291d8

87400108954072 has 16 divisors (see below), whose sum is σ = 164091684094560. Its totient is φ = 43642326528864.

The previous prime is 87400108954021. The next prime is 87400108954099. The reversal of 87400108954072 is 27045980100478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215987088 + ... + 7215999199.

It is an arithmetic number, because the mean of its divisors is an integer number (10255730255910).

Almost surely, 287400108954072 is an apocalyptic number.

It is an amenable number.

87400108954072 is a deficient number, since it is larger than the sum of its proper divisors (76691575140488).

87400108954072 is a wasteful number, since it uses less digits than its factorization.

87400108954072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431987050 (or 14431987046 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 87400108954072 in words is "eighty-seven trillion, four hundred billion, one hundred eight million, nine hundred fifty-four thousand, seventy-two".

Divisors: 1 2 4 8 757 1514 3028 6056 14431986287 28863972574 57727945148 115455890296 10925013619259 21850027238518 43700054477036 87400108954072