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1680106152066 = 232012471391413
BaseRepresentation
bin11000011100101110001…
…000010110000010000010
312221121122111010122020020
4120130232020112002002
5210011324133331231
63323455145354310
7232245411442626
oct30345610260202
95847574118206
101680106152066
11598590139151
12231748198996
13c2583046914
145b4635b9186
152da84070396
hex1872e216082

1680106152066 has 16 divisors (see below), whose sum is σ = 3360231416064. Its totient is φ = 560032198704.

The previous prime is 1680106152047. The next prime is 1680106152083. The reversal of 1680106152066 is 6602516010861.

It is a super-2 number, since 2×16801061520662 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511776 + ... + 1903188.

It is an arithmetic number, because the mean of its divisors is an integer number (210014463504).

Almost surely, 21680106152066 is an apocalyptic number.

1680106152066 is an abundant number, since it is smaller than the sum of its proper divisors (1680125263998).

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

1680106152066 is a wasteful number, since it uses less digits than its factorization.

1680106152066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592665.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 1680106152066 in words is "one trillion, six hundred eighty billion, one hundred six million, one hundred fifty-two thousand, sixty-six".

Divisors: 1 2 3 6 201247 402494 603741 1207482 1391413 2782826 4174239 8348478 280017692011 560035384022 840053076033 1680106152066