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189071500069 = 2319014324303
BaseRepresentation
bin1011000000010110001…
…0100010001100100101
3200002000201101100220201
42300011202202030211
511044204301000234
6222505214230501
716442240143114
oct2600542421445
9602021340821
10189071500069
1173203a29481
12307877b5431
1314aa216a07a
149218903c7b
154db8d0a314
hex2c058a2325

189071500069 has 8 divisors (see below), whose sum is σ = 197395828992. Its totient is φ = 180755823600.

The previous prime is 189071500067. The next prime is 189071500073. The reversal of 189071500069 is 960005170981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189071500069 - 21 = 189071500067 is a prime.

It is a super-3 number, since 3×1890715000693 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189071500067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118429 + ... + 2205874.

It is an arithmetic number, because the mean of its divisors is an integer number (24674478624).

Almost surely, 2189071500069 is an apocalyptic number.

It is an amenable number.

189071500069 is a deficient number, since it is larger than the sum of its proper divisors (8324328923).

189071500069 is a wasteful number, since it uses less digits than its factorization.

189071500069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326227.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 189071500069 in words is "one hundred eighty-nine billion, seventy-one million, five hundred thousand, sixty-nine".

Divisors: 1 23 1901 43723 4324303 99458969 8220500003 189071500069