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2144550554412 = 223785243299501
BaseRepresentation
bin11111001101010001001…
…011001000101100101100
321121000110102012211211120
4133031101023020230230
5240114014420220122
64321105401020540
7310636650641610
oct37152113105454
97530412184746
102144550554412
117575539748a2
122a7765784750
131272cbb206c6
1475b225c7340
153abb847675c
hex1f3512c8b2c

2144550554412 has 48 divisors (see below), whose sum is σ = 5718887661312. Its totient is φ = 612719496000.

The previous prime is 2144550554381. The next prime is 2144550554413.

2144550554412 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2144550554413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7010662 + ... + 7310162.

It is an arithmetic number, because the mean of its divisors is an integer number (119143492944).

Almost surely, 22144550554412 is an apocalyptic number.

It is an amenable number.

2144550554412 is an abundant number, since it is smaller than the sum of its proper divisors (3574337106900).

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

2144550554412 is a wasteful number, since it uses less digits than its factorization.

2144550554412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384758 (or 384756 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

It can be divided in two parts, 2144550 and 554412, that added together give a palindrome (2698962).

The spelling of 2144550554412 in words is "two trillion, one hundred forty-four billion, five hundred fifty million, five hundred fifty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 85243 170486 255729 299501 340972 511458 596701 599002 898503 1022916 1193402 1198004 1790103 1797006 2096507 2386804 3580206 3594012 4193014 6289521 7160412 8386028 12579042 25158084 25530363743 51060727486 76591091229 102121454972 153182182458 178712546201 306364364916 357425092402 536137638603 714850184804 1072275277206 2144550554412