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189672458076 = 223223229073017
BaseRepresentation
bin1011000010100101011…
…1000000011101011100
3200010120121012012022200
42300221113000131130
511101422122124301
6223045003011500
716463155202223
oct2605127003534
9603517165280
10189672458076
1173492181092
1230914b09b90
1314b6980ca1a
149274659cba
154e01966c86
hex2c295c075c

189672458076 has 36 divisors (see below), whose sum is σ = 500295471312. Its totient is φ = 60475276224.

The previous prime is 189672458009. The next prime is 189672458077. The reversal of 189672458076 is 670854276981.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189672458077) 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 11 ways as a sum of consecutive naturals, for example, 114535681 + ... + 114537336.

Almost surely, 2189672458076 is an apocalyptic number.

It is an amenable number.

189672458076 is an abundant number, since it is smaller than the sum of its proper divisors (310623013236).

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

189672458076 is a wasteful number, since it uses less digits than its factorization.

189672458076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229073050 (or 229073045 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 189672458076 in words is "one hundred eighty-nine billion, six hundred seventy-two million, four hundred fifty-eight thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 229073017 458146034 687219051 916292068 1374438102 2061657153 2748876204 4123314306 5268679391 8246628612 10537358782 15806038173 21074717564 31612076346 47418114519 63224152692 94836229038 189672458076