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201232210230 = 23258929998377
BaseRepresentation
bin1011101101101001011…
…1111101100100110110
3201020102012220110011100
42323122113331210312
511244110421211410
6232240024350530
720352502364442
oct2733227754466
9636365813140
10201232210230
1178384377a67
1233000315446
1315c8c6b065c
149a4d9d7822
15537b7238c0
hex2eda5fd936

201232210230 has 96 divisors (see below), whose sum is σ = 529322040000. Its totient is φ = 53034955776.

The previous prime is 201232210181. The next prime is 201232210253. The reversal of 201232210230 is 32012232102.

201232210230 is a `hidden beast` number, since 201 + 23 + 2 + 210 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24017802 + ... + 24026178.

It is an arithmetic number, because the mean of its divisors is an integer number (5513771250).

Almost surely, 2201232210230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201232210230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264661020000).

201232210230 is an abundant number, since it is smaller than the sum of its proper divisors (328089829770).

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

201232210230 is a wasteful number, since it uses less digits than its factorization.

201232210230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478 (or 11475 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201232210230 its reverse (32012232102), we get a palindrome (233244442332).

The spelling of 201232210230 in words is "two hundred one billion, two hundred thirty-two million, two hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 89 90 178 267 445 534 801 890 1335 1602 2670 2999 4005 5998 8010 8377 8997 14995 16754 17994 25131 26991 29990 41885 44985 50262 53982 75393 83770 89970 125655 134955 150786 251310 266911 269910 376965 533822 745553 753930 800733 1334555 1491106 1601466 2236659 2402199 2669110 3727765 4003665 4473318 4804398 6709977 7455530 8007330 11183295 12010995 13419954 22366590 24021990 25122623 33549885 50245246 67099770 75367869 125613115 150735738 226103607 251226230 376839345 452207214 753678690 1130518035 2235913447 2261036070 4471826894 6707740341 11179567235 13415480682 20123221023 22359134470 33538701705 40246442046 67077403410 100616105115 201232210230