| Base | Representation |
|---|---|
| bin | 101101001111100010… |
| … | …0110100011011110000 |
| 3 | 100021210010010221102100 |
| 4 | 1122133010310123300 |
| 5 | 3042434434334300 |
| 6 | 112344523420400 |
| 7 | 10006445255400 |
| oct | 1323704643360 |
| 9 | 307703127370 |
| 10 | 97158121200 |
| 11 | 38228254538 |
| 12 | 169b6084700 |
| 13 | 9214b0b75a |
| 14 | 49b9858800 |
| 15 | 27d99cb700 |
| hex | 169f1346f0 |
97158121200 has 1080 divisors, whose sum is σ = 419911717680. Its totient is φ = 20669644800.
The previous prime is 97158121169. The next prime is 97158121231. The reversal of 97158121200 is 212185179.
It is a happy number.
97158121200 is a `hidden beast` number, since 9 + 71 + 581 + 2 + 1 + 2 + 0 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (97158121169) and next prime (97158121231).
It is a super-2 number, since 2×971581212002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 536785110 + ... + 536785290.
It is an arithmetic number, because the mean of its divisors is an integer number (388807146).
Almost surely, 297158121200 is an apocalyptic number.
97158121200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97158121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209955858840).
97158121200 is an abundant number, since it is smaller than the sum of its proper divisors (322753596480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97158121200 is a wasteful number, since it uses less digits than its factorization.
97158121200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415 (or 394 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 36.
The spelling of 97158121200 in words is "ninety-seven billion, one hundred fifty-eight million, one hundred twenty-one thousand, two hundred".
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