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84942902251 = 317649358229
BaseRepresentation
bin100111100011011111…
…1011101001111101011
322010020211001112011201
41033012333131033223
52342430340333001
6103004445105031
76064651520224
oct1170677351753
9263224045151
1084942902251
113302a065769
1214567258177
1380191c174c
14417b41624b
1523223e7501
hex13c6fdd3eb

84942902251 has 8 divisors (see below), whose sum is σ = 87694704000. Its totient is φ = 82191832320.

The previous prime is 84942902201. The next prime is 84942902279. The reversal of 84942902251 is 15220924948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84942902251 - 219 = 84942377963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84942902201) 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, 58005 + ... + 416233.

It is an arithmetic number, because the mean of its divisors is an integer number (10961838000).

Almost surely, 284942902251 is an apocalyptic number.

84942902251 is a deficient number, since it is larger than the sum of its proper divisors (2751801749).

84942902251 is a wasteful number, since it uses less digits than its factorization.

84942902251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365909.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 84942902251 in words is "eighty-four billion, nine hundred forty-two million, nine hundred two thousand, two hundred fifty-one".

Divisors: 1 31 7649 237119 358229 11105099 2740093621 84942902251