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3210138149450 = 252177974738561
BaseRepresentation
bin101110101101101011001…
…001001110001001001010
3102100212221001021022111012
4232231223021032021022
5410043330331240300
610454414521203522
7450632134025111
oct56555311161112
912325831238435
103210138149450
11102845932a691
1243a1909305a2
131a393a34947b
14b152b61cc78
1558782c64435
hex2eb6b24e24a

3210138149450 has 48 divisors (see below), whose sum is σ = 6330017524824. Its totient is φ = 1207006003200.

The previous prime is 3210138149429. The next prime is 3210138149459. The reversal of 3210138149450 is 549418310123.

3210138149450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 76030893169 + 3134107256281 = 275737^2 + 1770341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3210138149398 and 3210138149407.

It is not an unprimeable number, because it can be changed into a prime (3210138149459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1691831 + ... + 3046730.

Almost surely, 23210138149450 is an apocalyptic number.

3210138149450 is a deficient number, since it is larger than the sum of its proper divisors (3119879375374).

3210138149450 is a wasteful number, since it uses less digits than its factorization.

3210138149450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739387 (or 4739382 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 3210138149450 in words is "three trillion, two hundred ten billion, one hundred thirty-eight million, one hundred forty-nine thousand, four hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 797 850 1594 3985 7970 13549 19925 27098 39850 67745 135490 338725 677450 4738561 9477122 23692805 47385610 80555537 118464025 161111074 236928050 402777685 805555370 2013888425 3776633117 4027776850 7553266234 18883165585 37766331170 64202762989 94415827925 128405525978 188831655850 321013814945 642027629890 1605069074725 3210138149450