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2421012312 = 2332211159361
BaseRepresentation
bin1001000001001101…
…1011011101011000
320020201120011112200
42100103123131120
514424234343222
61040122410200
7113665156635
oct22023333530
96221504480
102421012312
111032664424
12576960960
132c7764a84
1418d76d18c
15e2826eac
hex904db758

2421012312 has 48 divisors (see below), whose sum is σ = 6588025080. Its totient is φ = 803174400.

The previous prime is 2421012299. The next prime is 2421012317. The reversal of 2421012312 is 2132101242.

It is a happy number.

It is a super-2 number, since 2×24210123122 = 11722601229711170688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421012317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64489 + ... + 94872.

Almost surely, 22421012312 is an apocalyptic number.

It is an amenable number.

2421012312 is an abundant number, since it is smaller than the sum of its proper divisors (4167012768).

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

2421012312 is a wasteful number, since it uses less digits than its factorization.

2421012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159584 (or 159577 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2421012312 is about 49203.7835130592. The cubic root of 2421012312 is about 1342.7618672924.

Adding to 2421012312 its reverse (2132101242), we get a palindrome (4553113554).

The spelling of 2421012312 in words is "two billion, four hundred twenty-one million, twelve thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 211 422 633 844 1266 1688 1899 2532 3798 5064 7596 15192 159361 318722 478083 637444 956166 1274888 1434249 1912332 2868498 3824664 5736996 11473992 33625171 67250342 100875513 134500684 201751026 269001368 302626539 403502052 605253078 807004104 1210506156 2421012312