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13861463392 = 257226333613
BaseRepresentation
bin11001110100011010…
…10010010101100000
31022210000210022002001
430322031102111200
5211342013312032
610211243133344
71000333331500
oct147215222540
938700708061
1013861463392
115973486677
12282a214254
1313cb9c495a
14956d33a00
15561dba3e7
hex33a352560

13861463392 has 72 divisors (see below), whose sum is σ = 31866878736. Its totient is φ = 5917863168.

The previous prime is 13861463381. The next prime is 13861463419. The reversal of 13861463392 is 29336416831.

It is a super-2 number, since 2×138614633922 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395578 + ... + 429190.

It is an arithmetic number, because the mean of its divisors is an integer number (442595538).

Almost surely, 213861463392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13861463392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15933439368).

13861463392 is an abundant number, since it is smaller than the sum of its proper divisors (18005415344).

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

13861463392 is a wasteful number, since it uses less digits than its factorization.

13861463392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33900 (or 33885 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The spelling of 13861463392 in words is "thirteen billion, eight hundred sixty-one million, four hundred sixty-three thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 263 392 526 784 1052 1568 1841 2104 3682 4208 7364 8416 12887 14728 25774 29456 33613 51548 58912 67226 103096 134452 206192 235291 268904 412384 470582 537808 941164 1075616 1647037 1882328 3294074 3764656 6588148 7529312 8840219 13176296 17680438 26352592 35360876 52705184 61881533 70721752 123763066 141443504 247526132 282887008 433170731 495052264 866341462 990104528 1732682924 1980209056 3465365848 6930731696 13861463392