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100228389660 = 223357231711721
BaseRepresentation
bin101110101011000010…
…0111101101100011100
3100120201002101201222000
41131112010331230130
53120231431432120
6114013322122300
710145516153400
oct1352604755434
9316632351860
10100228389660
1139563349693
1217512350390
1395b3c26a59
144bcb513100
152919300990
hex175613db1c

100228389660 has 576 divisors, whose sum is σ = 379926650880. Its totient is φ = 21845376000.

The previous prime is 100228389649. The next prime is 100228389671. The reversal of 100228389660 is 66983822001.

It is an interprime number because it is at equal distance from previous prime (100228389649) and next prime (100228389671).

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 191 ways as a sum of consecutive naturals, for example, 58237600 + ... + 58239320.

It is an arithmetic number, because the mean of its divisors is an integer number (659594880).

Almost surely, 2100228389660 is an apocalyptic number.

100228389660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100228389660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189963325440).

100228389660 is an abundant number, since it is smaller than the sum of its proper divisors (279698261220).

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

100228389660 is a wasteful number, since it uses less digits than its factorization.

100228389660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 100228389660 in words is "one hundred billion, two hundred twenty-eight million, three hundred eighty-nine thousand, six hundred sixty".