Search a number
-
+
1445501656460 = 225711393373061
BaseRepresentation
bin10101000010001110100…
…111001101110110001100
312010012002111101102211102
4111002032213031312030
5142140341411001320
63024015421042232
7206301610231421
oct25021647156614
95105074342742
101445501656460
11508041001254
121b41936b6378
13a6405730054
144dd69741d48
1527902b42175
hex1508e9cdd8c

1445501656460 has 48 divisors (see below), whose sum is σ = 3078570825792. Its totient is φ = 570008275200.

The previous prime is 1445501656429. The next prime is 1445501656477. The reversal of 1445501656460 is 646561055441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19748330 + ... + 19821390.

It is an arithmetic number, because the mean of its divisors is an integer number (64136892204).

Almost surely, 21445501656460 is an apocalyptic number.

1445501656460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445501656460 is an abundant number, since it is smaller than the sum of its proper divisors (1633069169332).

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

1445501656460 is a wasteful number, since it uses less digits than its factorization.

1445501656460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87074 (or 87072 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 1445501656460 in words is "one trillion, four hundred forty-five billion, five hundred one million, six hundred fifty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 13933 27866 55732 69665 73061 139330 146122 278660 292244 365305 730610 989243 1461220 1978486 3956972 4946215 5187331 9892430 10374662 19784860 20749324 25936655 51873310 103746620 1017958913 2035917826 4071835652 5089794565 10179589130 20359178260 72275082823 144550165646 289100331292 361375414115 722750828230 1445501656460