Base | Representation |
---|---|
bin | 11111010110101100100… |
… | …101001010000011101010 |
3 | 21121222120221100001012000 |
4 | 133112230211022003222 |
5 | 240300233023140340 |
6 | 4325502114231430 |
7 | 311445555061200 |
oct | 37265445120352 |
9 | 7558527301160 |
10 | 2154674036970 |
11 | 76087935a104 |
12 | 2a970bb85576 |
13 | 128253283c80 |
14 | 76402cd1070 |
15 | 3b0ac0c6d30 |
hex | 1f5ac94a0ea |
2154674036970 has 768 divisors, whose sum is σ = 7291442188800. Its totient is φ = 448763535360.
The previous prime is 2154674036969. The next prime is 2154674036981. The reversal of 2154674036970 is 796304764512.
2154674036970 is a `hidden beast` number, since 2 + 1 + 54 + 67 + 403 + 69 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 8940556050 + ... + 8940556290.
It is an arithmetic number, because the mean of its divisors is an integer number (9494065350).
Almost surely, 22154674036970 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2154674036970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645721094400).
2154674036970 is an abundant number, since it is smaller than the sum of its proper divisors (5136768151830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154674036970 is a wasteful number, since it uses less digits than its factorization.
2154674036970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740 (or 727 counting only the distinct ones).
The product of its (nonzero) digits is 7620480, while the sum is 54.
The spelling of 2154674036970 in words is "two trillion, one hundred fifty-four billion, six hundred seventy-four million, thirty-six thousand, nine hundred seventy".
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