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3104211152640 = 283513377123671
BaseRepresentation
bin101101001011000001011…
…001110010111100000000
3101222202111210221100010010
4231023001121302330000
5401324411023341030
610334015510104520
7440162150303403
oct55130131627400
911882453840103
103104211152640
11a975412a6114
1242174a04b140
13196958921730
14aa35d353d3a
1555b335126b0
hex2d2c1672f00

3104211152640 has 576 divisors, whose sum is σ = 11120164780032. Its totient is φ = 732959539200.

The previous prime is 3104211152611. The next prime is 3104211152641. The reversal of 3104211152640 is 462511124013.

It is a super-2 number, since 2×31042111526402 (a number of 26 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3104211152598 and 3104211152607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3104211152641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131128005 + ... + 131151675.

It is an arithmetic number, because the mean of its divisors is an integer number (19305841632).

Almost surely, 23104211152640 is an apocalyptic number.

3104211152640 is a gapful number since it is divisible by the number (30) 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 3104211152640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5560082390016).

3104211152640 is an abundant number, since it is smaller than the sum of its proper divisors (8015953627392).

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

3104211152640 is a wasteful number, since it uses less digits than its factorization.

3104211152640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23816 (or 23802 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 3104211152640 its reverse (462511124013), we get a palindrome (3566722276653).

The spelling of 3104211152640 in words is "three trillion, one hundred four billion, two hundred eleven million, one hundred fifty-two thousand, six hundred forty".