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200131521012244 = 2231113139661155453
BaseRepresentation
bin101101100000010011000000…
…001101111110001000010100
3222020121101102210121201202001
4231200103000031332020110
5202212423323334342434
61545351052421125044
760104011441423063
oct5540230015761024
9866541383551661
10200131521012244
115884a335214498
121a5429b5559784
138789424301a53
14375c5bb1021da
151820d306ed114
hexb604c037e214

200131521012244 has 96 divisors (see below), whose sum is σ = 367909325521920. Its totient is φ = 95145578035200.

The previous prime is 200131521012223. The next prime is 200131521012257. The reversal of 200131521012244 is 442210125131002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1287330822 + ... + 1287486274.

It is an arithmetic number, because the mean of its divisors is an integer number (3832388807520).

Almost surely, 2200131521012244 is an apocalyptic number.

It is an amenable number.

200131521012244 is a deficient number, since it is larger than the sum of its proper divisors (167777804509676).

200131521012244 is a wasteful number, since it uses less digits than its factorization.

200131521012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156401 (or 156399 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 200131521012244 its reverse (442210125131002), we get a palindrome (642341646143246).

The spelling of 200131521012244 in words is "two hundred trillion, one hundred thirty-one billion, five hundred twenty-one million, twelve thousand, two hundred forty-four".

Divisors: 1 2 4 31 62 113 124 139 226 278 452 556 661 1322 2644 3503 4309 7006 8618 14012 15707 17236 20491 31414 40982 62828 74693 81964 91879 149386 155453 183758 298772 310906 367516 486917 621812 973834 1947668 2315483 2848249 4630966 4819043 5696498 9261932 9638086 10382327 11392996 17566189 19276172 20764654 21607967 35132378 41529308 43215934 70264756 86431868 102754433 205508866 321852137 411017732 544551859 643704274 669846977 1089103718 1287408548 1339693954 2178207436 2441700271 2679387908 3185387423 4883400542 6370774846 9766801084 11611250929 12741549692 14282866187 23222501858 28565732374 46445003716 57131464748 75692708401 151385416802 302770833604 359948778799 442768851797 719897557598 885537703594 1439795115196 1613963879131 1771075407188 3227927758262 6455855516524 50032880253061 100065760506122 200131521012244