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143378291490 = 2357682753769
BaseRepresentation
bin1000010110001000000…
…0110001101100100010
3111201002021112212110020
42011202000301230202
54322114320311430
6145511142214310
713234022240430
oct2054200615442
9451067485406
10143378291490
1155896342585
1223955124396
131069c756b45
146d22187d50
153ae25dbb10
hex2162031b22

143378291490 has 32 divisors (see below), whose sum is σ = 393266171520. Its totient is φ = 32772180864.

The previous prime is 143378291489. The next prime is 143378291491. The reversal of 143378291490 is 94192873341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143378291489) and next prime (143378291491).

It is not an unprimeable number, because it can be changed into a prime (143378291491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341376675 + ... + 341377094.

It is an arithmetic number, because the mean of its divisors is an integer number (12289567860).

Almost surely, 2143378291490 is an apocalyptic number.

143378291490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143378291490 is an abundant number, since it is smaller than the sum of its proper divisors (249887880030).

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

143378291490 is a wasteful number, since it uses less digits than its factorization.

143378291490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682753786.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 143378291490 in words is "one hundred forty-three billion, three hundred seventy-eight million, two hundred ninety-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 682753769 1365507538 2048261307 3413768845 4096522614 4779276383 6827537690 9558552766 10241306535 14337829149 20482613070 23896381915 28675658298 47792763830 71689145745 143378291490