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172107834342 = 2359486180323
BaseRepresentation
bin1010000001001001101…
…1010010001111100110
3121110020111020212020220
42200102123102033212
510304434101144332
6211022032105210
715301664311533
oct2402233221746
9543214225226
10172107834342
1166a99427324
1229432695206
13132ca858b42
1484899a1d8a
15472490dd2c
hex28126d23e6

172107834342 has 16 divisors (see below), whose sum is σ = 350049833280. Its totient is φ = 56396917352.

The previous prime is 172107834319. The next prime is 172107834343. The reversal of 172107834342 is 243438701271.

172107834342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1721078343422 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172107834294 and 172107834303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172107834343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243089808 + ... + 243090515.

It is an arithmetic number, because the mean of its divisors is an integer number (21878114580).

Almost surely, 2172107834342 is an apocalyptic number.

172107834342 is an abundant number, since it is smaller than the sum of its proper divisors (177941998938).

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

172107834342 is a wasteful number, since it uses less digits than its factorization.

172107834342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486180387.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 172107834342 in words is "one hundred seventy-two billion, one hundred seven million, eight hundred thirty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 59 118 177 354 486180323 972360646 1458540969 2917081938 28684639057 57369278114 86053917171 172107834342