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61210904324 = 2223081663001
BaseRepresentation
bin111001000000011101…
…000100011100000100
312211222220010010012112
4321000131010130010
52000324442414244
644041522040152
74264602050003
oct710035043404
9184886103175
1061210904324
1123a60a61439
12ba434a9058
135a0659ba1b
142d69620c3a
1518d3be439e
hexe40744704

61210904324 has 12 divisors (see below), whose sum is σ = 107123885148. Its totient is φ = 30604080000.

The previous prime is 61210904311. The next prime is 61210904353. The reversal of 61210904324 is 42340901216.

It can be written as a sum of positive squares in 2 ways, for example, as 40736156224 + 20474748100 = 201832^2 + 143090^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239177 + ... + 423824.

It is an arithmetic number, because the mean of its divisors is an integer number (8926990429).

Almost surely, 261210904324 is an apocalyptic number.

It is an amenable number.

61210904324 is a deficient number, since it is larger than the sum of its proper divisors (45912980824).

61210904324 is a wasteful number, since it uses less digits than its factorization.

61210904324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686086 (or 686084 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 61210904324 in words is "sixty-one billion, two hundred ten million, nine hundred four thousand, three hundred twenty-four".

Divisors: 1 2 4 23081 46162 92324 663001 1326002 2652004 15302726081 30605452162 61210904324