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164954469061 = 1394214396421
BaseRepresentation
bin1001100110100000001…
…1010111001011000101
3120202202221221020212001
42121220003113023011
510200311321002221
6203440134425301
714626503565264
oct2315003271305
9522687836761
10164954469061
1163a58552098
1227b76b02231
131272a846315
147dab9225db
1544568ed391
hex26680d72c5

164954469061 has 16 divisors (see below), whose sum is σ = 166941174400. Its totient is φ = 162981201600.

The previous prime is 164954469047. The next prime is 164954469083. The reversal of 164954469061 is 160964459461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164954469061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164954468993 and 164954469011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164954469091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25686631 + ... + 25693051.

It is an arithmetic number, because the mean of its divisors is an integer number (10433823400).

Almost surely, 2164954469061 is an apocalyptic number.

It is an amenable number.

164954469061 is a deficient number, since it is larger than the sum of its proper divisors (1986705339).

164954469061 is a wasteful number, since it uses less digits than its factorization.

164954469061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 164954469061 in words is "one hundred sixty-four billion, nine hundred fifty-four million, four hundred sixty-nine thousand, sixty-one".

Divisors: 1 139 421 439 6421 58519 61021 184819 892519 2703241 2818819 25689841 375750499 391815841 1186722799 164954469061