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141868645440 = 2635149991811
BaseRepresentation
bin1000010000100000000…
…1111011110001000000
3111120012001212220101120
42010020001323301000
54311021333123230
6145101253232240
713151431406124
oct2041001736100
9446161786346
10141868645440
1155191174115
12235b3632680
13104bba68162
146c1b893584
153a54cd9310
hex210807bc40

141868645440 has 112 divisors (see below), whose sum is σ = 453456446400. Its totient is φ = 37577697280.

The previous prime is 141868645421. The next prime is 141868645441. The reversal of 141868645440 is 44546868141.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (141868645441) 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, 352866 + ... + 638945.

Almost surely, 2141868645440 is an apocalyptic number.

141868645440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141868645440 is an abundant number, since it is smaller than the sum of its proper divisors (311587800960).

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

141868645440 is a wasteful number, since it uses less digits than its factorization.

141868645440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991980 (or 991970 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 141868645440 in words is "one hundred forty-one billion, eight hundred sixty-eight million, six hundred forty-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 149 160 192 240 298 320 447 480 596 745 894 960 1192 1490 1788 2235 2384 2980 3576 4470 4768 5960 7152 8940 9536 11920 14304 17880 23840 28608 35760 47680 71520 143040 991811 1983622 2975433 3967244 4959055 5950866 7934488 9918110 11901732 14877165 15868976 19836220 23803464 29754330 31737952 39672440 47606928 59508660 63475904 79344880 95213856 119017320 147779839 158689760 190427712 238034640 295559678 317379520 443339517 476069280 591119356 738899195 886679034 952138560 1182238712 1477798390 1773358068 2216697585 2364477424 2955596780 3546716136 4433395170 4728954848 5911193560 7093432272 8866790340 9457909696 11822387120 14186864544 17733580680 23644774240 28373729088 35467161360 47289548480 70934322720 141868645440