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142155982070 = 2514215598207
BaseRepresentation
bin1000010001100100101…
…0000010010011110110
3111120221002120010010222
42010121022002103312
54312113412411240
6145150000014342
713161520624214
oct2043112022366
9446832503128
10142155982070
1155319389403
12236739013b2
131053645102b
146c47acbcb4
153a70145eb5
hex21192824f6

142155982070 has 8 divisors (see below), whose sum is σ = 255880767744. Its totient is φ = 56862392824.

The previous prime is 142155982057. The next prime is 142155982091. The reversal of 142155982070 is 70289551241.

142155982070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1421559820702 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107799094 + ... + 7107799113.

It is an arithmetic number, because the mean of its divisors is an integer number (31985095968).

Almost surely, 2142155982070 is an apocalyptic number.

142155982070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142155982070 is a deficient number, since it is larger than the sum of its proper divisors (113724785674).

142155982070 is a wasteful number, since it uses less digits than its factorization.

142155982070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215598214.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 142155982070 in words is "one hundred forty-two billion, one hundred fifty-five million, nine hundred eighty-two thousand, seventy".

Divisors: 1 2 5 10 14215598207 28431196414 71077991035 142155982070