Search a number
-
+
73437441903168 = 2637792774635393
BaseRepresentation
bin10000101100101001111100…
…101000110100101001000000
3100122000112212121000011120220
4100230221330220310221000
534111144340111400133
6420104410045103040
721316452161513520
oct2054517450645100
9318015777004526
1073437441903168
112144370a498222
1282a0802857a80
1331c9175c66415
14141c569477680
15875422c655b3
hex42ca7ca34a40

73437441903168 has 448 divisors, whose sum is σ = 226212919541760. Its totient is φ = 20593338974208.

The previous prime is 73437441903097. The next prime is 73437441903211. The reversal of 73437441903168 is 86130914473437.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13617175480 + ... + 13617180872.

Almost surely, 273437441903168 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 73437441903168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113106459770880).

73437441903168 is an abundant number, since it is smaller than the sum of its proper divisors (152775477638592).

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

73437441903168 is a wasteful number, since it uses less digits than its factorization.

73437441903168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234 (or 6224 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 73437441903168 in words is "seventy-three trillion, four hundred thirty-seven billion, four hundred forty-one million, nine hundred three thousand, one hundred sixty-eight".