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142911584890 = 25431277573457
BaseRepresentation
bin1000010100011000110…
…0011011101001111010
3111122212202100201100121
42011012030123221322
54320140331204030
6145352551123454
713216324266664
oct2050614335172
9448782321317
10142911584890
1155676955a48
122384497358a
1310626b5aaa9
146cba1bb534
153ab664d47a
hex214631ba7a

142911584890 has 64 divisors (see below), whose sum is σ = 265723121664. Its totient is φ = 55306395648.

The previous prime is 142911584867. The next prime is 142911584909. The reversal of 142911584890 is 98485119241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41338042 + ... + 41341498.

It is an arithmetic number, because the mean of its divisors is an integer number (4151923776).

Almost surely, 2142911584890 is an apocalyptic number.

142911584890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142911584890 is a deficient number, since it is larger than the sum of its proper divisors (122811536774).

142911584890 is a wasteful number, since it uses less digits than its factorization.

142911584890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 142911584890 in words is "one hundred forty-two billion, nine hundred eleven million, five hundred eighty-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 43 86 127 215 254 430 635 757 1270 1514 3457 3785 5461 6914 7570 10922 17285 27305 32551 34570 54610 65102 96139 148651 162755 192278 297302 325510 439039 480695 743255 878078 961390 1486510 2195195 2616949 4133977 4390390 5233898 8267954 13084745 18878677 20669885 26169490 37757354 41339770 94393385 112528807 188786770 225057614 332352523 562644035 664705046 1125288070 1661762615 3323525230 14291158489 28582316978 71455792445 142911584890