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74102106144 = 2531170172449
BaseRepresentation
bin100010100000011010…
…1000110100000100000
321002021022012000121210
41011000311012200200
52203230114344034
654013025150120
75232214336533
oct1050065064040
9232238160553
1074102106144
1129476786140
121244078b340
136cac2693b1
14382d748a1a
151dda8048e9
hex1140d46820

74102106144 has 48 divisors (see below), whose sum is σ = 212201488800. Its totient is φ = 22455183360.

The previous prime is 74102106137. The next prime is 74102106149. The reversal of 74102106144 is 44160120147.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×741021061442 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74102106149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35085169 + ... + 35087280.

It is an arithmetic number, because the mean of its divisors is an integer number (4420864350).

Almost surely, 274102106144 is an apocalyptic number.

It is an amenable number.

74102106144 is an abundant number, since it is smaller than the sum of its proper divisors (138099382656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74102106144 is a wasteful number, since it uses less digits than its factorization.

74102106144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70172473 (or 70172465 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 74102106144 in words is "seventy-four billion, one hundred two million, one hundred six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 70172449 140344898 210517347 280689796 421034694 561379592 771896939 842069388 1122759184 1543793878 1684138776 2245518368 2315690817 3087587756 3368277552 4631381634 6175175512 6736555104 9262763268 12350351024 18525526536 24700702048 37051053072 74102106144