Search a number
-
+
70198055424 = 2932721916363
BaseRepresentation
bin100000101100000100…
…0010101001000000000
320201012020000200211200
41001120020111020000
52122231200233144
652125403541200
75033400424500
oct1013010251000
9221166020750
1070198055424
1127852a77042
121173122a800
1368094a0803
14357d04da00
151c5cbd3c69
hex1058215200

70198055424 has 360 divisors, whose sum is σ = 248092313040. Its totient is φ = 18999816192.

The previous prime is 70198055423. The next prime is 70198055449. The reversal of 70198055424 is 42455089107.

70198055424 is a `hidden beast` number, since 7 + 0 + 1 + 98 + 0 + 554 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 70198055424.

It is not an unprimeable number, because it can be changed into a prime (70198055423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4281867 + ... + 4298229.

It is an arithmetic number, because the mean of its divisors is an integer number (689145314).

Almost surely, 270198055424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70198055424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124046156520).

70198055424 is an abundant number, since it is smaller than the sum of its proper divisors (177894257616).

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

70198055424 is a wasteful number, since it uses less digits than its factorization.

70198055424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16420 (or 16394 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 70198055424 in words is "seventy billion, one hundred ninety-eight million, fifty-five thousand, four hundred twenty-four".