Search a number
-
+
45378857244 = 2237691781801
BaseRepresentation
bin101010010000110010…
…100110100100011100
311100010112022210111110
4222100302212210130
51220413441412434
632502522222020
73164346631230
oct522062464434
9140115283443
1045378857244
1118277200106
128965354910
13438255c126
1422a6acc5c0
1512a8d274e9
hexa90ca691c

45378857244 has 48 divisors (see below), whose sum is σ = 121185564416. Its totient is φ = 12946608000.

The previous prime is 45378857243. The next prime is 45378857257. The reversal of 45378857244 is 44275887354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45378857243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332857 + ... + 448944.

Almost surely, 245378857244 is an apocalyptic number.

It is an amenable number.

45378857244 is an abundant number, since it is smaller than the sum of its proper divisors (75806707172).

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

45378857244 is a wasteful number, since it uses less digits than its factorization.

45378857244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782506 (or 782504 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 57.

The spelling of 45378857244 in words is "forty-five billion, three hundred seventy-eight million, eight hundred fifty-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 691 1382 2073 2764 4146 4837 8292 9674 14511 19348 29022 58044 781801 1563602 2345403 3127204 4690806 5472607 9381612 10945214 16417821 21890428 32835642 65671284 540224491 1080448982 1620673473 2160897964 3241346946 3781571437 6482693892 7563142874 11344714311 15126285748 22689428622 45378857244