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2070655188 = 2237191297403
BaseRepresentation
bin111101101101011…
…1011000011010100
312100022022011220220
41323122323003110
513220041431223
6541245154340
7102212164410
oct17332730324
95308264826
102070655188
11972915988
1249955b9b0
1326ccb5174
1415900bd40
15c1bbc6e3
hex7b6bb0d4

2070655188 has 48 divisors (see below), whose sum is σ = 5812369920. Its totient is φ = 560477664.

The previous prime is 2070655163. The next prime is 2070655189. The reversal of 2070655188 is 8815560702.

It is a super-2 number, since 2×20706551882 = 8575225815182630688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070655189) 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, 647106 + ... + 650297.

It is an arithmetic number, because the mean of its divisors is an integer number (121091040).

Almost surely, 22070655188 is an apocalyptic number.

2070655188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2070655188 is an abundant number, since it is smaller than the sum of its proper divisors (3741714732).

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

2070655188 is a wasteful number, since it uses less digits than its factorization.

2070655188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297436 (or 1297434 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 2070655188 is about 45504.4523975402. The cubic root of 2070655188 is about 1274.5863454722.

The spelling of 2070655188 in words is "two billion, seventy million, six hundred fifty-five thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 1297403 2594806 3892209 5189612 7784418 9081821 15568836 18163642 24650657 27245463 36327284 49301314 54490926 73951971 98602628 108981852 147903942 172554599 295807884 345109198 517663797 690218396 1035327594 2070655188