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1304331241240 = 235431515022067
BaseRepresentation
bin10010111110110000001…
…100110100011100011000
311121200201002100022020101
4102332300030310130120
5132332232244204430
62435111305105144
7163143354423016
oct22766014643430
94550632308211
101304331241240
11463188a88905
12190955a881b4
1395cc8534891
14471b68c58b6
1523dde2cadca
hex12fb0334718

1304331241240 has 64 divisors (see below), whose sum is σ = 3022883170560. Its totient is φ = 506224252800.

The previous prime is 1304331241183. The next prime is 1304331241247. The reversal of 1304331241240 is 421421334031.

It is a happy number.

It is a super-3 number, since 3×13043312412403 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304331241199 and 1304331241208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304331241247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251314 + ... + 2770753.

It is an arithmetic number, because the mean of its divisors is an integer number (47232549540).

Almost surely, 21304331241240 is an apocalyptic number.

1304331241240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304331241240 is an abundant number, since it is smaller than the sum of its proper divisors (1718551929320).

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

1304331241240 is a wasteful number, since it uses less digits than its factorization.

1304331241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022272 (or 5022268 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1304331241240 its reverse (421421334031), we get a palindrome (1725752575271).

The spelling of 1304331241240 in words is "one trillion, three hundred four billion, three hundred thirty-one million, two hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 151 172 215 302 344 430 604 755 860 1208 1510 1720 3020 6040 6493 12986 25972 32465 51944 64930 129860 259720 5022067 10044134 20088268 25110335 40176536 50220670 100441340 200882680 215948881 431897762 758332117 863795524 1079744405 1516664234 1727591048 2159488810 3033328468 3791660585 4318977620 6066656936 7583321170 8637955240 15166642340 30333284680 32608281031 65216562062 130433124124 163041405155 260866248248 326082810310 652165620620 1304331241240