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BaseRepresentation
bin100110110011111111100…
…011101100100100000100
3100102222102110202210220101
4212303333203230210010
5322144324310134142
65401140231013444
7363460614512065
oct46637743544404
910388373683811
102667167271172
11939159434348
12370ab8b0a284
131646887bcc01
149313d44656c
15495a49090b7
hex26cff8ec904

2667167271172 has 6 divisors (see below), whose sum is σ = 4667542724558. Its totient is φ = 1333583635584.

The previous prime is 2667167271103. The next prime is 2667167271173. The reversal of 2667167271172 is 2711727617662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1418347611136 + 1248819660036 = 1190944^2 + 1117506^2 .

It is a super-2 number, since 2×26671672711722 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2667167271173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333395908893 + ... + 333395908900.

Almost surely, 22667167271172 is an apocalyptic number.

It is an amenable number.

2667167271172 is a deficient number, since it is larger than the sum of its proper divisors (2000375453386).

2667167271172 is a wasteful number, since it uses less digits than its factorization.

2667167271172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666791817797 (or 666791817795 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 55.

The spelling of 2667167271172 in words is "two trillion, six hundred sixty-seven billion, one hundred sixty-seven million, two hundred seventy-one thousand, one hundred seventy-two".