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13162055421 = 3199722710487
BaseRepresentation
bin11000100001000010…
…10000011011111101
31020222021201200201010
430100201100123331
5203423441233141
610014020305433
7644111424264
oct142041203375
936867650633
1013162055421
115644701059
122673b42279
131319b31b98
148cc0b15db
155207b3416
hex3108506fd

13162055421 has 32 divisors (see below), whose sum is σ = 18747509760. Its totient is φ = 8190153216.

The previous prime is 13162055393. The next prime is 13162055441. The reversal of 13162055421 is 12455026131.

It is not a de Polignac number, because 13162055421 - 218 = 13161793277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13162055441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1249840 + ... + 1260326.

It is an arithmetic number, because the mean of its divisors is an integer number (585859680).

Almost surely, 213162055421 is an apocalyptic number.

It is an amenable number.

13162055421 is a deficient number, since it is larger than the sum of its proper divisors (5585454339).

13162055421 is a wasteful number, since it uses less digits than its factorization.

13162055421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 13162055421 in words is "thirteen billion, one hundred sixty-two million, fifty-five thousand, four hundred twenty-one".

Divisors: 1 3 19 57 97 227 291 681 1843 4313 5529 10487 12939 22019 31461 66057 199253 418361 597759 1017239 1255083 2380549 3051717 7141647 19327541 45230431 57982623 135691293 230913253 692739759 4387351807 13162055421