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4001261241264 = 243711908515599
BaseRepresentation
bin111010001110011101110…
…000010100001110110000
3112011111221202221101200120
4322032131300110032300
51011024040334210024
612302053134450240
7562036661245260
oct72163560241660
915144852841616
104001261241264
111302a1a726921
1254757a363980
132304181b2b41
14db93aa517a0
156e136a91479
hex3a39dc143b0

4001261241264 has 40 divisors (see below), whose sum is σ = 11813247475200. Its totient is φ = 1143217497408.

The previous prime is 4001261241239. The next prime is 4001261241281. The reversal of 4001261241264 is 4621421621004.

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, 5954257464 + ... + 5954258135.

It is an arithmetic number, because the mean of its divisors is an integer number (295331186880).

Almost surely, 24001261241264 is an apocalyptic number.

It is an amenable number.

4001261241264 is an abundant number, since it is smaller than the sum of its proper divisors (7811986233936).

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

4001261241264 is a wasteful number, since it uses less digits than its factorization.

4001261241264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908515617 (or 11908515611 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 4001261241264 its reverse (4621421621004), we get a palindrome (8622682862268).

The spelling of 4001261241264 in words is "four trillion, one billion, two hundred sixty-one million, two hundred forty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 11908515599 23817031198 35725546797 47634062396 71451093594 83359609193 95268124792 142902187188 166719218386 190536249584 250078827579 285804374376 333438436772 500157655158 571608748752 666876873544 1000315310316 1333753747088 2000630620632 4001261241264