101428328690 has 32 divisors (see below), whose sum is σ = 196815177216. Its totient is φ = 37412314560.

The previous prime is 101428328689. The next prime is 101428328699. The reversal of 101428328690 is 96823824101.

It is a happy number.

It is a super-2 number, since 2×101428328690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101428328699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269066 + ... + 524645.

It is an arithmetic number, because the mean of its divisors is an integer number (6150474288).

Almost surely, 2^101428328690 is an apocalyptic number.

101428328690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101428328690 is a deficient number, since it is larger than the sum of its proper divisors (95386848526).

101428328690 is a wasteful number, since it uses less digits than its factorization.

101428328690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794714.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 101428328690 in words is "one hundred one billion, four hundred twenty-eight million, three hundred twenty-eight thousand, six hundred ninety".