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1213631403060 = 22351271371517699
BaseRepresentation
bin10001101010010010000…
…100011001010000110100
311022000121001121010121110
4101222102010121100310
5124341004114344220
62325311244515020
7153452626500636
oct21522204312064
94260531533543
101213631403060
11428775318a5a
1217726284ba70
138a5a272ba8b
1442a50a92a56
15218817aebe0
hex11a92119434

1213631403060 has 192 divisors, whose sum is σ = 3473222860800. Its totient is φ = 316591027200.

The previous prime is 1213631403059. The next prime is 1213631403077. The reversal of 1213631403060 is 603041363121.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 157631091 + ... + 157638789.

It is an arithmetic number, because the mean of its divisors is an integer number (18089702400).

Almost surely, 21213631403060 is an apocalyptic number.

1213631403060 is a gapful number since it is divisible by the number (10) 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 1213631403060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736611430400).

1213631403060 is an abundant number, since it is smaller than the sum of its proper divisors (2259591457740).

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

1213631403060 is a wasteful number, since it uses less digits than its factorization.

1213631403060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126 (or 8124 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 1213631403060 its reverse (603041363121), we get a palindrome (1816672766181).

The spelling of 1213631403060 in words is "one trillion, two hundred thirteen billion, six hundred thirty-one million, four hundred three thousand, sixty".