Search a number
-
+
253464161473 = 731071271971297
BaseRepresentation
bin1110110000001110100…
…1000010110011000001
3220020020100112111022001
43230003221002303001
513123043311131343
6312235000344001
724212035552615
oct3540351026301
9806210474261
10253464161473
1198547a03016
1241158775001
131ab9498ab93
14c3a6921345
1568d6ee744d
hex3b03a42cc1

253464161473 has 32 divisors (see below), whose sum is σ = 262908923904. Its totient is φ = 244269914112.

The previous prime is 253464161449. The next prime is 253464161477. The reversal of 253464161473 is 374161464352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253464161473 is a prime.

It is a super-2 number, since 2×2534641614732 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253464161477) 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, 195422761 + ... + 195424057.

It is an arithmetic number, because the mean of its divisors is an integer number (8215903872).

Almost surely, 2253464161473 is an apocalyptic number.

It is an amenable number.

253464161473 is a deficient number, since it is larger than the sum of its proper divisors (9444762431).

253464161473 is a wasteful number, since it uses less digits than its factorization.

253464161473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801.

The product of its digits is 1451520, while the sum is 46.

The spelling of 253464161473 in words is "two hundred fifty-three billion, four hundred sixty-four million, one hundred sixty-one thousand, four hundred seventy-three".

Divisors: 1 73 107 127 197 1297 7811 9271 13589 14381 21079 25019 94681 138779 164719 255509 991997 1538767 1826387 2677033 10130867 12024487 17624933 18652157 27339463 32449643 195423409 1286620109 1995780799 2368823939 3472111801 253464161473