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1890620304572 = 22472655076143
BaseRepresentation
bin11011100000110001110…
…000000110110010111100
320200202000120122121111102
4123200301300012302330
5221433442244221242
64004312230312232
7253410222301526
oct33406160066274
96622016577442
101890620304572
1166989796778a
122664b8ab8678
13109391721cbc
1467713c1aa16
15342a55b3e32
hex1b831c06cbc

1890620304572 has 6 divisors (see below), whose sum is σ = 3308585533008. Its totient is φ = 945310152284.

The previous prime is 1890620304557. The next prime is 1890620304583. The reversal of 1890620304572 is 2754030260981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236327538068 + ... + 236327538075.

It is an arithmetic number, because the mean of its divisors is an integer number (551430922168).

It is a 1-persistent number, because it is pandigital, but 2⋅1890620304572 = 3781240609144 is not.

Almost surely, 21890620304572 is an apocalyptic number.

It is an amenable number.

1890620304572 is a deficient number, since it is larger than the sum of its proper divisors (1417965228436).

1890620304572 is a wasteful number, since it uses less digits than its factorization.

1890620304572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472655076147 (or 472655076145 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 1890620304572 in words is "one trillion, eight hundred ninety billion, six hundred twenty million, three hundred four thousand, five hundred seventy-two".

Divisors: 1 2 4 472655076143 945310152286 1890620304572