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270631011 = 3779163129
BaseRepresentation
bin10000001000011…
…000000001100011
3200212020110221210
4100020120001203
51023240143021
642504321203
76464216460
oct2010300143
9625213853
10270631011
111298450a2
1276773203
13440b70c1
1427d2a667
1518b5be76
hex10218063

270631011 has 16 divisors (see below), whose sum is σ = 417612800. Its totient is φ = 152687808.

The previous prime is 270630991. The next prime is 270631013. The reversal of 270631011 is 110136072.

It is not a de Polignac number, because 270631011 - 25 = 270630979 is a prime.

It is a super-2 number, since 2×2706310112 = 146482288229764242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270631013) 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, 79906 + ... + 83223.

It is an arithmetic number, because the mean of its divisors is an integer number (26100800).

Almost surely, 2270631011 is an apocalyptic number.

270631011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

270631011 is a deficient number, since it is larger than the sum of its proper divisors (146981789).

270631011 is a wasteful number, since it uses less digits than its factorization.

270631011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163218.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 270631011 is about 16450.8665729195. The cubic root of 270631011 is about 646.8335234159.

Adding to 270631011 its reverse (110136072), we get a palindrome (380767083).

The spelling of 270631011 in words is "two hundred seventy million, six hundred thirty-one thousand, eleven".

Divisors: 1 3 7 21 79 237 553 1659 163129 489387 1141903 3425709 12887191 38661573 90210337 270631011