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1001033030220 = 2235792692712897
BaseRepresentation
bin11101001000100100011…
…01111101101001001100
310112200211201020210112120
432210102031331221030
5112400103423431340
62043511311532540
7132215350235646
oct16442215755114
93480751223476
101001033030220
11356599059883
1214200bb2a150
13735212cc022
1436643711896
151b08c2be4d0
hexe91237da4c

1001033030220 has 192 divisors, whose sum is σ = 2860423372800. Its totient is φ = 261524090880.

The previous prime is 1001033030191. The next prime is 1001033030269. The reversal of 1001033030220 is 220303301001.

1001033030220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1001033030220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 345539812 + ... + 345542708.

It is an arithmetic number, because the mean of its divisors is an integer number (14898038400).

Almost surely, 21001033030220 is an apocalyptic number.

1001033030220 is a gapful number since it is divisible by the number (10) 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 1001033030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430211686400).

1001033030220 is an abundant number, since it is smaller than the sum of its proper divisors (1859390342580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001033030220 is a wasteful number, since it uses less digits than its factorization.

1001033030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1001033030220 its reverse (220303301001), we get a palindrome (1221336331221).

The spelling of 1001033030220 in words is "one trillion, one billion, thirty-three million, thirty thousand, two hundred twenty".