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331213111113400 = 23521656065555567
BaseRepresentation
bin100101101001111001000111…
…1110101010011011010111000
31121102201122221012020000201021
41023103302033311103122320
5321403043422421112100
63132233111440432224
7126523233441406615
oct11323621765233270
91542648835200637
10331213111113400
119659776757417a
12311933a0918674
13112a7354535819
145bb0b2b71b50c
15284592e3c2a1a
hex12d3c8fd536b8

331213111113400 has 24 divisors (see below), whose sum is σ = 770070483339120. Its totient is φ = 132485244445280.

The previous prime is 331213111113371. The next prime is 331213111113403. The reversal of 331213111113400 is 4311111312133.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213111113403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 828032777584 + ... + 828032777983.

It is an arithmetic number, because the mean of its divisors is an integer number (32086270139130).

Almost surely, 2331213111113400 is an apocalyptic number.

It is an amenable number.

331213111113400 is an abundant number, since it is smaller than the sum of its proper divisors (438857372225720).

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

331213111113400 is a wasteful number, since it uses less digits than its factorization.

331213111113400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656065555583 (or 1656065555574 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 331213111113400 its reverse (4311111312133), we get a palindrome (335524222425533).

The spelling of 331213111113400 in words is "three hundred thirty-one trillion, two hundred thirteen billion, one hundred eleven million, one hundred thirteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1656065555567 3312131111134 6624262222268 8280327777835 13248524444536 16560655555670 33121311111340 41401638889175 66242622222680 82803277778350 165606555556700 331213111113400