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1002123210330 = 23251129377312923
BaseRepresentation
bin11101001010100110011…
…00101010111001011010
310112210122200121200111200
432211103030222321122
5112404322020212310
62044211414135030
7132254355512424
oct16452314527132
93483580550450
101002123210330
11356aa8477280
12142275051476
1373666122108
1436708415814
151b102d659c0
hexe95332ae5a

1002123210330 has 384 divisors, whose sum is σ = 3061474341120. Its totient is φ = 225078497280.

The previous prime is 1002123210313. The next prime is 1002123210379. The reversal of 1002123210330 is 330123212001.

1002123210330 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 12 + 321 + 0 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 77539249 + ... + 77552171.

It is an arithmetic number, because the mean of its divisors is an integer number (7972589430).

Almost surely, 21002123210330 is an apocalyptic number.

1002123210330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002123210330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530737170560).

1002123210330 is an abundant number, since it is smaller than the sum of its proper divisors (2059351130790).

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

1002123210330 is a wasteful number, since it uses less digits than its factorization.

1002123210330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13086 (or 13083 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1002123210330 its reverse (330123212001), we get a palindrome (1332246422331).

The spelling of 1002123210330 in words is "one trillion, two billion, one hundred twenty-three million, two hundred ten thousand, three hundred thirty".