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13851696480 = 253528857701
BaseRepresentation
bin11001110011010000…
…00001110101100000
31022202100102002101120
430321220001311200
5211332013241410
610210253532240
71000154322516
oct147150016540
938670362346
1013851696480
115968a15646
122826aa4080
1313c998520b
149559104b6
155610db570
hex339a01d60

13851696480 has 48 divisors (see below), whose sum is σ = 43632845424. Its totient is φ = 3693785600.

The previous prime is 13851696421. The next prime is 13851696493. The reversal of 13851696480 is 8469615831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 14428371 + ... + 14429330.

It is an arithmetic number, because the mean of its divisors is an integer number (909017613).

Almost surely, 213851696480 is an apocalyptic number.

13851696480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13851696480 is an abundant number, since it is smaller than the sum of its proper divisors (29781148944).

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

13851696480 is a wasteful number, since it uses less digits than its factorization.

13851696480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28857719 (or 28857711 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 13851696480 in words is "thirteen billion, eight hundred fifty-one million, six hundred ninety-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 28857701 57715402 86573103 115430804 144288505 173146206 230861608 288577010 346292412 432865515 461723216 577154020 692584824 865731030 923446432 1154308040 1385169648 1731462060 2308616080 2770339296 3462924120 4617232160 6925848240 13851696480