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98215054157 = 118928641287
BaseRepresentation
bin101101101111000010…
…0101100101101001101
3100101111202221200212102
41123132010230231031
53102121023213112
6113041441244445
710044601120523
oct1333604545515
9311452850772
1098215054157
113871a923950
1217050033725
139352a9087c
144a79d86313
15284c6a6bc2
hex16de12cb4d

98215054157 has 4 divisors (see below), whose sum is σ = 107143695456. Its totient is φ = 89286412860.

The previous prime is 98215054129. The next prime is 98215054237. The reversal of 98215054157 is 75145051289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98215054157 - 220 = 98214005581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98215054127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4464320633 + ... + 4464320654.

It is an arithmetic number, because the mean of its divisors is an integer number (26785923864).

Almost surely, 298215054157 is an apocalyptic number.

It is an amenable number.

98215054157 is a deficient number, since it is larger than the sum of its proper divisors (8928641299).

98215054157 is a wasteful number, since it uses less digits than its factorization.

98215054157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928641298.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 98215054157 in words is "ninety-eight billion, two hundred fifteen million, fifty-four thousand, one hundred fifty-seven".

Divisors: 1 11 8928641287 98215054157