Search a number
-
+
12120199975 = 5213151491503
BaseRepresentation
bin10110100100110101…
…11001001100100111
31011021200021221201101
423102122321030213
5144310232344400
65322401540531
7606230666662
oct132232711447
934250257641
1012120199975
11515a59a6a4
122423044747
1311b202b780
1482d98a6d9
154ae0b556a
hex2d26b9327

12120199975 has 48 divisors (see below), whose sum is σ = 16357953024. Its totient is φ = 8855280000.

The previous prime is 12120199967. The next prime is 12120200009. The reversal of 12120199975 is 57999102121.

It is not a de Polignac number, because 12120199975 - 23 = 12120199967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24095574 + ... + 24096076.

It is an arithmetic number, because the mean of its divisors is an integer number (340790688).

Almost surely, 212120199975 is an apocalyptic number.

12120199975 is a deficient number, since it is larger than the sum of its proper divisors (4237753049).

12120199975 is a wasteful number, since it uses less digits than its factorization.

12120199975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 46.

The spelling of 12120199975 in words is "twelve billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred seventy-five".

Divisors: 1 5 13 25 65 151 325 491 503 755 1963 2455 2515 3775 6383 6539 9815 12275 12575 31915 32695 49075 74141 75953 159575 163475 246973 370705 379765 963833 987389 1234865 1853525 1898825 3210649 4819165 4936945 6174325 16053245 24095825 24684725 37292923 80266225 186464615 484807999 932323075 2424039995 12120199975