Search a number
-
+
1201232314872 = 233331179395507
BaseRepresentation
bin10001011110101111000…
…001101000000111111000
311020211120221112012012000
4101132233001220013320
5124140110433033442
62315501041221000
7152533441130532
oct21365701500770
94224527465160
101201232314872
11423492364537
12174982331760
13893779b49c5
14421d606a852
15213a7eaad4c
hex117af0681f8

1201232314872 has 64 divisors (see below), whose sum is σ = 3444393753600. Its totient is φ = 387494292960.

The previous prime is 1201232314859. The next prime is 1201232314883. The reversal of 1201232314872 is 2784132321021.

1201232314872 is a `hidden beast` number, since 1 + 20 + 123 + 2 + 31 + 487 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 89691058 + ... + 89704449.

It is an arithmetic number, because the mean of its divisors is an integer number (53818652400).

Almost surely, 21201232314872 is an apocalyptic number.

1201232314872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201232314872 is an abundant number, since it is smaller than the sum of its proper divisors (2243161438728).

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

1201232314872 is a wasteful number, since it uses less digits than its factorization.

1201232314872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179395553 (or 179395543 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 1201232314872 its reverse (2784132321021), we get a palindrome (3985364635893).

The spelling of 1201232314872 in words is "one trillion, two hundred one billion, two hundred thirty-two million, three hundred fourteen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 558 744 837 1116 1674 2232 3348 6696 179395507 358791014 538186521 717582028 1076373042 1435164056 1614559563 2152746084 3229119126 4305492168 4843678689 5561260717 6458238252 9687357378 11122521434 12916476504 16683782151 19374714756 22245042868 33367564302 38749429512 44490085736 50051346453 66735128604 100102692906 133470257208 150154039359 200205385812 300308078718 400410771624 600616157436 1201232314872