Search a number
-
+
1252545230240 = 25510877201847
BaseRepresentation
bin10010001110100001100…
…000110111010110100000
311102202001000211101002222
4102032201200313112200
5131010203034331430
62355224503130212
7156331144535063
oct22164140672640
94382030741088
101252545230240
11443224146307
12182902a43968
1391164762215
14448a2cc08da
15228acc429e5
hex123a18375a0

1252545230240 has 48 divisors (see below), whose sum is σ = 2961860815872. Its totient is φ = 500557104384.

The previous prime is 1252545230227. The next prime is 1252545230297. The reversal of 1252545230240 is 420325452521.

It is a happy number.

It is a super-2 number, since 2×12525452302402 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1252545230240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3427004 + ... + 3774843.

It is an arithmetic number, because the mean of its divisors is an integer number (61705433664).

Almost surely, 21252545230240 is an apocalyptic number.

1252545230240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252545230240 is an abundant number, since it is smaller than the sum of its proper divisors (1709315585632).

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

1252545230240 is a wasteful number, since it uses less digits than its factorization.

1252545230240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202949 (or 7202941 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 1252545230240 in words is "one trillion, two hundred fifty-two billion, five hundred forty-five million, two hundred thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1087 2174 4348 5435 8696 10870 17392 21740 34784 43480 86960 173920 7201847 14403694 28807388 36009235 57614776 72018470 115229552 144036940 230459104 288073880 576147760 1152295520 7828407689 15656815378 31313630756 39142038445 62627261512 78284076890 125254523024 156568153780 250509046048 313136307560 626272615120 1252545230240