Search a number
-
+
214236419761 = 71312718537373
BaseRepresentation
bin1100011110000101111…
…1000101011010110001
3202110222111121202000101
43013201133011122301
512002224010413021
6242230245552401
721322656343660
oct3074137053261
9673874552011
10214236419761
1182947968071
123562b415701
13172828c73b0
14a524b3add7
15588d207a91
hex31e17c56b1

214236419761 has 16 divisors (see below), whose sum is σ = 265751793664. Its totient is φ = 168171038784.

The previous prime is 214236419743. The next prime is 214236419777. The reversal of 214236419761 is 167914632412.

It is not a de Polignac number, because 214236419761 - 29 = 214236419249 is a prime.

It is a super-2 number, since 2×2142364197612 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214236419561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9257130 + ... + 9280243.

It is an arithmetic number, because the mean of its divisors is an integer number (16609487104).

Almost surely, 2214236419761 is an apocalyptic number.

It is an amenable number.

214236419761 is a deficient number, since it is larger than the sum of its proper divisors (51515373903).

214236419761 is a wasteful number, since it uses less digits than its factorization.

214236419761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18537520.

The product of its digits is 435456, while the sum is 46.

The spelling of 214236419761 in words is "two hundred fourteen billion, two hundred thirty-six million, four hundred nineteen thousand, seven hundred sixty-one".

Divisors: 1 7 13 91 127 889 1651 11557 18537373 129761611 240985849 1686900943 2354246371 16479724597 30605202823 214236419761