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1531314242106 = 231183279538927
BaseRepresentation
bin10110010010001001011…
…100010000001000111010
312102101120220220110100020
4112102021130100020322
5200042112421221411
63131250454351310
7215430252203025
oct26221134201072
95371526813306
101531314242106
11540476a71a20
1220894205b536
13b152cb6204c
145418a4621bc
1529c76578606
hex1648971023a

1531314242106 has 32 divisors (see below), whose sum is σ = 3381302873088. Its totient is φ = 458443838640.

The previous prime is 1531314242033. The next prime is 1531314242119. The reversal of 1531314242106 is 6012424131351.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon 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, 139763986 + ... + 139774941.

It is an arithmetic number, because the mean of its divisors is an integer number (105665714784).

Almost surely, 21531314242106 is an apocalyptic number.

1531314242106 is an abundant number, since it is smaller than the sum of its proper divisors (1849988630982).

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

1531314242106 is a wasteful number, since it uses less digits than its factorization.

1531314242106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279539026.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 1531314242106 its reverse (6012424131351), we get a palindrome (7543738373457).

The spelling of 1531314242106 in words is "one trillion, five hundred thirty-one billion, three hundred fourteen million, two hundred forty-two thousand, one hundred six".

Divisors: 1 2 3 6 11 22 33 66 83 166 249 498 913 1826 2739 5478 279538927 559077854 838616781 1677233562 3074928197 6149856394 9224784591 18449569182 23201730941 46403461882 69605192823 139210385646 255219040351 510438080702 765657121053 1531314242106