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30211001002320 = 243510715112316329
BaseRepresentation
bin1101101111010000010111…
…11110111010100101010000
310221222010212121022021010220
412313220023332322211100
512424434112224033240
6144130424154553040
76235446524332245
oct667501376724520
9127863777267126
1030211001002320
119698460515106
12347b117138780
1313b1b67947048
1476631251d5cc
15375ccde395d0
hex1b7a0bfba950

30211001002320 has 320 divisors, whose sum is σ = 95247743754240. Its totient is φ = 7920428544000.

The previous prime is 30211001002309. The next prime is 30211001002387. The reversal of 30211001002320 is 2320010011203.

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 30211001002320.

It is a congruent number.

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, 4773420916 + ... + 4773427244.

It is an arithmetic number, because the mean of its divisors is an integer number (297649199232).

Almost surely, 230211001002320 is an apocalyptic number.

30211001002320 is a gapful number since it is divisible by the number (30) 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 30211001002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47623871877120).

30211001002320 is an abundant number, since it is smaller than the sum of its proper divisors (65036742751920).

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

30211001002320 is a wasteful number, since it uses less digits than its factorization.

30211001002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834 (or 7828 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30211001002320 its reverse (2320010011203), we get a palindrome (32531011013523).

The spelling of 30211001002320 in words is "thirty trillion, two hundred eleven billion, one million, two thousand, three hundred twenty".