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13846683440 = 2451259137477
BaseRepresentation
bin11001110010101001…
…11001111100110000
31022201222222101210102
430321110321330300
5211324222332230
610205554251532
71000063603322
oct147124717460
938658871712
1013846683440
115966101237
122825286ba8
1313c891b515
14954da7612
1556094b045
hex339539f30

13846683440 has 40 divisors (see below), whose sum is σ = 32219344080. Its totient is φ = 5534233856.

The previous prime is 13846683421. The next prime is 13846683449. The reversal of 13846683440 is 4438664831.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13846683449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31982 + ... + 169458.

It is an arithmetic number, because the mean of its divisors is an integer number (805483602).

Almost surely, 213846683440 is an apocalyptic number.

13846683440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13846683440 is an abundant number, since it is smaller than the sum of its proper divisors (18372660640).

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

13846683440 is a wasteful number, since it uses less digits than its factorization.

13846683440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138749 (or 138743 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 13846683440 in words is "thirteen billion, eight hundred forty-six million, six hundred eighty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1259 2518 5036 6295 10072 12590 20144 25180 50360 100720 137477 274954 549908 687385 1099816 1374770 2199632 2749540 5499080 10998160 173083543 346167086 692334172 865417715 1384668344 1730835430 2769336688 3461670860 6923341720 13846683440