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380894952646 = 21316433891487
BaseRepresentation
bin1011000101011110001…
…10111011110011000110
31100102011020001101222101
411202233012323303012
522220033101441041
6450551500422314
736342634451335
oct5425706736306
91312136041871
10380894952646
1113759a2a856a
12619a0b4799a
1329bc24b08b0
1414614ac1d1c
159d9450db31
hex58af1bbcc6

380894952646 has 16 divisors (see below), whose sum is σ = 615329979264. Its totient is φ = 175786775424.

The previous prime is 380894952637. The next prime is 380894952661. The reversal of 380894952646 is 646259498083.

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, 18486 + ... + 873001.

It is an arithmetic number, because the mean of its divisors is an integer number (38458123704).

Almost surely, 2380894952646 is an apocalyptic number.

380894952646 is a deficient number, since it is larger than the sum of its proper divisors (234435026618).

380894952646 is a wasteful number, since it uses less digits than its factorization.

380894952646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907935.

The product of its (nonzero) digits is 89579520, while the sum is 64.

The spelling of 380894952646 in words is "three hundred eighty billion, eight hundred ninety-four million, nine hundred fifty-two thousand, six hundred forty-six".

Divisors: 1 2 13 26 16433 32866 213629 427258 891487 1782974 11589331 23178662 14649805871 29299611742 190447476323 380894952646