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2121313222032 = 243241183377699
BaseRepresentation
bin11110110111101000000…
…111101111110110010000
321111210110222002001102120
4132313220013233312100
5234223422141101112
64302303504214240
7306155055610104
oct36675007576620
97453428061376
102121313222032
1174870a014074
122a315b60a380
131250678359a4
147495a399904
153a2a83d5e8c
hex1ede81efd90

2121313222032 has 40 divisors (see below), whose sum is σ = 5502798021600. Its totient is φ = 704170360320.

The previous prime is 2121313222001. The next prime is 2121313222163. The reversal of 2121313222032 is 2302223131212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2121313221993 and 2121313222011.

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, 91677282 + ... + 91700417.

It is an arithmetic number, because the mean of its divisors is an integer number (137569950540).

Almost surely, 22121313222032 is an apocalyptic number.

It is an amenable number.

2121313222032 is an abundant number, since it is smaller than the sum of its proper divisors (3381484799568).

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

2121313222032 is a wasteful number, since it uses less digits than its factorization.

2121313222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183377951 (or 183377945 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2121313222032 its reverse (2302223131212), we get a palindrome (4423536353244).

The spelling of 2121313222032 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred twenty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 241 482 723 964 1446 1928 2892 3856 5784 11568 183377699 366755398 550133097 733510796 1100266194 1467021592 2200532388 2934043184 4401064776 8802129552 44194025459 88388050918 132582076377 176776101836 265164152754 353552203672 530328305508 707104407344 1060656611016 2121313222032