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189831226070 = 25171116654271
BaseRepresentation
bin1011000011001011010…
…0101010001011010110
3200010222122221110001202
42300302310222023112
511102233243213240
6223112433552502
716500123540533
oct2606264521326
9603878843052
10189831226070
1173563861902
123095a115732
1314b9368b795
14928b787d8a
154e10879315
hex2c32d2a2d6

189831226070 has 16 divisors (see below), whose sum is σ = 361795984128. Its totient is φ = 71465873280.

The previous prime is 189831226069. The next prime is 189831226129. The reversal of 189831226070 is 70622138981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558326966 + ... + 558327305.

It is an arithmetic number, because the mean of its divisors is an integer number (22612249008).

Almost surely, 2189831226070 is an apocalyptic number.

189831226070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189831226070 is a deficient number, since it is larger than the sum of its proper divisors (171964758058).

189831226070 is a wasteful number, since it uses less digits than its factorization.

189831226070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116654295.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 189831226070 in words is "one hundred eighty-nine billion, eight hundred thirty-one million, two hundred twenty-six thousand, seventy".

Divisors: 1 2 5 10 17 34 85 170 1116654271 2233308542 5583271355 11166542710 18983122607 37966245214 94915613035 189831226070