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164270019270 = 235717167379727
BaseRepresentation
bin1001100011111101000…
…0011001001011000110
3120201000021000121020210
42120333100121023012
510142411111104040
6203244204340250
714603523060660
oct2307720311306
9521007017223
10164270019270
1163737163905
1227a05844686
131264babcb46
147d44a75530
15441679d480
hex263f4192c6

164270019270 has 256 divisors, whose sum is σ = 481858191360. Its totient is φ = 34986276864.

The previous prime is 164270019259. The next prime is 164270019281. The reversal of 164270019270 is 72910072461.

It is an interprime number because it is at equal distance from previous prime (164270019259) and next prime (164270019281).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 225955647 + ... + 225956373.

It is an arithmetic number, because the mean of its divisors is an integer number (1882258560).

Almost surely, 2164270019270 is an apocalyptic number.

164270019270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164270019270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240929095680).

164270019270 is an abundant number, since it is smaller than the sum of its proper divisors (317588172090).

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

164270019270 is a wasteful number, since it uses less digits than its factorization.

164270019270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 164270019270 in words is "one hundred sixty-four billion, two hundred seventy million, nineteen thousand, two hundred seventy".