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23130330302220 = 223519832291067489
BaseRepresentation
bin1010100001001011100110…
…00111110000011100001100
310000220020102111012010012020
411100211303013300130030
511012431404024132340
6121105532124210140
74605053101410411
oct520456307603414
9100806374163166
1023130330302220
1174085774a3889
122716990999950
13cba24726595b
1459d72a440108
152a1a164359d0
hex1509731f070c

23130330302220 has 192 divisors, whose sum is σ = 69296326848000. Its totient is φ = 5747833626624.

The previous prime is 23130330302179. The next prime is 23130330302231. The reversal of 23130330302220 is 2220303303132.

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, 21134236 + ... + 22201724.

It is an arithmetic number, because the mean of its divisors is an integer number (360918369000).

Almost surely, 223130330302220 is an apocalyptic number.

23130330302220 is a gapful number since it is divisible by the number (20) 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 23130330302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34648163424000).

23130330302220 is an abundant number, since it is smaller than the sum of its proper divisors (46165996545780).

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

23130330302220 is a wasteful number, since it uses less digits than its factorization.

23130330302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067832 (or 1067830 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23130330302220 its reverse (2220303303132), we get a palindrome (25350633605352).

The spelling of 23130330302220 in words is "twenty-three trillion, one hundred thirty billion, three hundred thirty million, three hundred two thousand, two hundred twenty".