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66079060144 = 2439877103567
BaseRepresentation
bin111101100010100111…
…100111000010110000
320022120011102001112221
4331202213213002300
52040312214411034
650204543330424
74526333513056
oct754247470260
9208504361487
1066079060144
11260299a7a09
12109818b0a14
1363010175b6
1432abda21d6
151abb2a5bb4
hexf629e70b0

66079060144 has 20 divisors (see below), whose sum is σ = 128032625824. Its totient is φ = 33038382528.

The previous prime is 66079060109. The next prime is 66079060171. The reversal of 66079060144 is 44106097066.

66079060144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66079060144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586249 + ... + 689815.

Almost surely, 266079060144 is an apocalyptic number.

It is an amenable number.

66079060144 is a deficient number, since it is larger than the sum of its proper divisors (61953565680).

66079060144 is a wasteful number, since it uses less digits than its factorization.

66079060144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143452 (or 143446 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 66079060144 in words is "sixty-six billion, seventy-nine million, sixty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 39877 79754 103567 159508 207134 319016 414268 638032 828536 1657072 4129941259 8259882518 16519765036 33039530072 66079060144