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1213300000032 = 25333737503091
BaseRepresentation
bin10001101001111110010…
…100001100010100100000
311021222201222000010010020
4101221332110030110200
5124334314300000112
62325214325433440
7153441463560231
oct21517624142440
94258658003106
101213300000032
11428615245a5a
1217718b86b880
138a54bb87503
1442a1ca67088
152186264b48c
hex11a7e50c520

1213300000032 has 48 divisors (see below), whose sum is σ = 3194363364192. Its totient is φ = 403233223680.

The previous prime is 1213300000019. The next prime is 1213300000057. The reversal of 1213300000032 is 2300000033121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1213299999957 and 1213300000020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18719194 + ... + 18783897.

It is an arithmetic number, because the mean of its divisors is an integer number (66549236754).

Almost surely, 21213300000032 is an apocalyptic number.

1213300000032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213300000032 is an abundant number, since it is smaller than the sum of its proper divisors (1981063364160).

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

1213300000032 is a wasteful number, since it uses less digits than its factorization.

1213300000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37503441 (or 37503433 counting only the distinct ones).

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

Adding to 1213300000032 its reverse (2300000033121), we get a palindrome (3513300033153).

The spelling of 1213300000032 in words is "one trillion, two hundred thirteen billion, three hundred million, thirty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 337 674 1011 1348 2022 2696 4044 5392 8088 10784 16176 32352 37503091 75006182 112509273 150012364 225018546 300024728 450037092 600049456 900074184 1200098912 1800148368 3600296736 12638541667 25277083334 37915625001 50554166668 75831250002 101108333336 151662500004 202216666672 303325000008 404433333344 606650000016 1213300000032