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2997621067 = 71733176103
BaseRepresentation
bin1011001010101100…
…0001000101001011
321201220112221001111
42302223001011023
522114342333232
61213241231151
7134166234010
oct26253010513
97656487044
102997621067
1112a9096091
126b7a924b7
1338a06079c
14206187707
15128274047
hexb2ac114b

2997621067 has 16 divisors (see below), whose sum is σ = 3638380032. Its totient is φ = 2410911360.

The previous prime is 2997621061. The next prime is 2997621091. The reversal of 2997621067 is 7601267992.

It is a cyclic number.

It is not a de Polignac number, because 2997621067 - 23 = 2997621059 is a prime.

It is a super-2 number, since 2×29976210672 = 17971464122644436978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2997621067.

It is not an unprimeable number, because it can be changed into a prime (2997621061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338 + ... + 77440.

It is an arithmetic number, because the mean of its divisors is an integer number (227398752).

Almost surely, 22997621067 is an apocalyptic number.

2997621067 is a deficient number, since it is larger than the sum of its proper divisors (640758965).

2997621067 is a wasteful number, since it uses less digits than its factorization.

2997621067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76458.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 2997621067 is about 54750.5348558350. The cubic root of 2997621067 is about 1441.8682455960.

The spelling of 2997621067 in words is "two billion, nine hundred ninety-seven million, six hundred twenty-one thousand, sixty-seven".

Divisors: 1 7 17 119 331 2317 5627 39389 76103 532721 1293751 9056257 25190093 176330651 428231581 2997621067