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14704921478 = 2131394068877
BaseRepresentation
bin11011011000111101…
…10100101110000110
31101221210220102001102
431230132310232012
5220103424441403
610431053300102
71030254525122
oct155436645606
941853812042
1014704921478
1162665aa175
122a24794632
131504682390
149d6d72582
155b0e78b88
hex36c7b4b86

14704921478 has 16 divisors (see below), whose sum is σ = 23925002640. Its totient is φ = 6738058656.

The previous prime is 14704921423. The next prime is 14704921489. The reversal of 14704921478 is 87412940741.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2030825 + ... + 2038052.

It is an arithmetic number, because the mean of its divisors is an integer number (1495312665).

Almost surely, 214704921478 is an apocalyptic number.

14704921478 is a deficient number, since it is larger than the sum of its proper divisors (9220081162).

14704921478 is a wasteful number, since it uses less digits than its factorization.

14704921478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069031.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 14704921478 in words is "fourteen billion, seven hundred four million, nine hundred twenty-one thousand, four hundred seventy-eight".

Divisors: 1 2 13 26 139 278 1807 3614 4068877 8137754 52895401 105790802 565573903 1131147806 7352460739 14704921478