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13210011020 = 225876175391
BaseRepresentation
bin11000100110110000…
…01100010110001100
31021002121222002102102
430103120030112030
5204023230323040
610022452214232
7645233145443
oct142330142614
937077862372
1013210011020
115669785888
12268800a378
131326a5288b
148d45d5d5a
15524ad7515
hex31360c58c

13210011020 has 24 divisors (see below), whose sum is σ = 27744557568. Its totient is φ = 5283331200.

The previous prime is 13210011019. The next prime is 13210011043. The reversal of 13210011020 is 2011001231.

It is a super-2 number, since 2×132100110202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13210010992 and 13210011010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137525 + ... + 212915.

It is an arithmetic number, because the mean of its divisors is an integer number (1156023232).

Almost surely, 213210011020 is an apocalyptic number.

13210011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13210011020 is an abundant number, since it is smaller than the sum of its proper divisors (14534546548).

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

13210011020 is a wasteful number, since it uses less digits than its factorization.

13210011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84161 (or 84159 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 13210011020 its reverse (2011001231), we get a palindrome (15221012251).

The spelling of 13210011020 in words is "thirteen billion, two hundred ten million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 8761 17522 35044 43805 75391 87610 150782 175220 301564 376955 753910 1507820 660500551 1321001102 2642002204 3302502755 6605005510 13210011020