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142250078790 = 23252237087697
BaseRepresentation
bin1000010001111011000…
…0111111001001000110
3111121011122121201120200
42010132300333021012
54312312010010130
6145203200511330
713164042501531
oct2043660771106
9447148551520
10142250078790
1155367508696
122369b31b546
131054caa8871
146c563c3a18
153a78531760
hex211ec3f246

142250078790 has 48 divisors (see below), whose sum is σ = 371508778368. Its totient is φ = 37763244288.

The previous prime is 142250078779. The next prime is 142250078819. The reversal of 142250078790 is 97870052241.

It is a happy number.

142250078790 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 500 + 78 + 79 + 0 = 666.

It is a super-2 number, since 2×1422500787902 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3523779 + ... + 3563918.

It is an arithmetic number, because the mean of its divisors is an integer number (7739766216).

Almost surely, 2142250078790 is an apocalyptic number.

142250078790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142250078790 is an abundant number, since it is smaller than the sum of its proper divisors (229258699578).

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

142250078790 is a wasteful number, since it uses less digits than its factorization.

142250078790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087933 (or 7087930 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 142250078790 in words is "one hundred forty-two billion, two hundred fifty million, seventy-eight thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 223 446 669 1115 1338 2007 2230 3345 4014 6690 10035 20070 7087697 14175394 21263091 35438485 42526182 63789273 70876970 106315455 127578546 212630910 318946365 637892730 1580556431 3161112862 4741669293 7902782155 9483338586 14225007879 15805564310 23708346465 28450015758 47416692930 71125039395 142250078790