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11312000144 = 245913986209
BaseRepresentation
bin10101000100011111…
…10110110010010000
31002012100112010222022
422202033312302100
5141131333001034
65110251231012
7550215262154
oct124217666220
932170463868
1011312000144
114885369155
122238448468
1310b3767513
147944c9064
1546316db2e
hex2a23f6c90

11312000144 has 40 divisors (see below), whose sum is σ = 22449084000. Its totient is φ = 5520070656.

The previous prime is 11312000143. The next prime is 11312000149. The reversal of 11312000144 is 44100021311.

It is a happy number.

It is a super-2 number, since 2×113120001442 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11312000143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88112 + ... + 174320.

It is an arithmetic number, because the mean of its divisors is an integer number (561227100).

Almost surely, 211312000144 is an apocalyptic number.

It is an amenable number.

11312000144 is a deficient number, since it is larger than the sum of its proper divisors (11137083856).

11312000144 is a wasteful number, since it uses less digits than its factorization.

11312000144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86415 (or 86409 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11312000144 its reverse (44100021311), we get a palindrome (55412021455).

The spelling of 11312000144 in words is "eleven billion, three hundred twelve million, one hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 59 118 139 236 278 472 556 944 1112 2224 8201 16402 32804 65608 86209 131216 172418 344836 689672 1379344 5086331 10172662 11983051 20345324 23966102 40690648 47932204 81381296 95864408 191728816 707000009 1414000018 2828000036 5656000072 11312000144