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145640070098 = 289818202641
BaseRepresentation
bin1000011110100011010…
…0110001101111010010
3111220220220111010102022
42013220310301233102
54341232324220343
6150523420051442
713344045112235
oct2075064615722
9456826433368
10145640070098
11568470282a6
1224286693b82
1310970208b93
14709870741c
153bc5e5d568
hex21e8d31bd2

145640070098 has 8 divisors (see below), whose sum is σ = 220914713340. Its totient is φ = 72001832320.

The previous prime is 145640070091. The next prime is 145640070127. The reversal of 145640070098 is 890070046541.

145640070098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145247118769 + 392951329 = 381113^2 + 19823^2 .

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

It is a super-2 number, since 2×1456400700982 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145640070091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409101143 + ... + 409101498.

Almost surely, 2145640070098 is an apocalyptic number.

145640070098 is a deficient number, since it is larger than the sum of its proper divisors (75274643242).

145640070098 is an equidigital number, since it uses as much as digits as its factorization.

145640070098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818202732.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 145640070098 in words is "one hundred forty-five billion, six hundred forty million, seventy thousand, ninety-eight".

Divisors: 1 2 89 178 818202641 1636405282 72820035049 145640070098