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1207140660066 = 231123378497897
BaseRepresentation
bin10001100100001111001…
…100001011001101100010
311021101211201010020002210
4101210033030023031202
5124234211002110231
62322315221422550
7153133033211655
oct21441714131542
94241751106083
101207140660066
11425a44483750
12175b50b6aa56
1389aa9a9c553
14425d6a1b89c
1521601a3ba46
hex1190f30b362

1207140660066 has 32 divisors (see below), whose sum is σ = 2645065171008. Its totient is φ = 364230237440.

The previous prime is 1207140660049. The next prime is 1207140660079. The reversal of 1207140660066 is 6600660417021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39233571 + ... + 39264326.

It is an arithmetic number, because the mean of its divisors is an integer number (82658286594).

Almost surely, 21207140660066 is an apocalyptic number.

1207140660066 is an abundant number, since it is smaller than the sum of its proper divisors (1437924510942).

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

1207140660066 is a wasteful number, since it uses less digits than its factorization.

1207140660066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78498146.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 1207140660066 in words is "one trillion, two hundred seven billion, one hundred forty million, six hundred sixty thousand, sixty-six".

Divisors: 1 2 3 6 11 22 33 66 233 466 699 1398 2563 5126 7689 15378 78497897 156995794 235493691 470987382 863476867 1726953734 2590430601 5180861202 18290010001 36580020002 54870030003 109740060006 201190110011 402380220022 603570330033 1207140660066