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2981117601 = 34711477973
BaseRepresentation
bin1011000110110000…
…0011111010100001
321200202111110120000
42301230003322201
522101131230401
61211451410213
7133606036650
oct26154037241
97622443500
102981117601
11129a843860
126b2453969
13386802a17
14203ccd197
15126ab4186
hexb1b03ea1

2981117601 has 40 divisors (see below), whose sum is σ = 5552145984. Its totient is φ = 1548629280.

The previous prime is 2981117593. The next prime is 2981117617. The reversal of 2981117601 is 1067111892.

2981117601 is a `hidden beast` number, since 29 + 8 + 11 + 17 + 601 = 666.

It is not a de Polignac number, because 2981117601 - 23 = 2981117593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2981117621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 232750 + ... + 245223.

Almost surely, 22981117601 is an apocalyptic number.

2981117601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2981117601 is a deficient number, since it is larger than the sum of its proper divisors (2571028383).

2981117601 is a wasteful number, since it uses less digits than its factorization.

2981117601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478003 (or 477994 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 2981117601 is about 54599.6117293887. The cubic root of 2981117601 is about 1439.2172959968.

The spelling of 2981117601 in words is "two billion, nine hundred eighty-one million, one hundred seventeen thousand, six hundred one".

Divisors: 1 3 7 9 11 21 27 33 63 77 81 99 189 231 297 567 693 891 2079 6237 477973 1433919 3345811 4301757 5257703 10037433 12905271 15773109 30112299 36803921 38715813 47319327 90336897 110411763 141957981 271010691 331235289 425873943 993705867 2981117601