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172122246030 = 2357819629743
BaseRepresentation
bin1010000001001101001…
…0010000101110001110
3121110021111101001101010
42200103102100232032
510310001243333110
6211023305030050
715302230644240
oct2402322205616
9543244331333
10172122246030
1166aa6580009
1229437485326
1313300833777
14848b874090
154725d09020
hex2813490b8e

172122246030 has 32 divisors (see below), whose sum is σ = 472106732544. Its totient is φ = 39342227616.

The previous prime is 172122246019. The next prime is 172122246053. The reversal of 172122246030 is 30642221271.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409814662 + ... + 409815081.

It is an arithmetic number, because the mean of its divisors is an integer number (14753335392).

Almost surely, 2172122246030 is an apocalyptic number.

172122246030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172122246030 is an abundant number, since it is smaller than the sum of its proper divisors (299984486514).

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

172122246030 is a wasteful number, since it uses less digits than its factorization.

172122246030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819629760.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 172122246030 in words is "one hundred seventy-two billion, one hundred twenty-two million, two hundred forty-six thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 819629743 1639259486 2458889229 4098148715 4917778458 5737408201 8196297430 11474816402 12294446145 17212224603 24588892290 28687041005 34424449206 57374082010 86061123015 172122246030