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3450015020 = 2251710147103
BaseRepresentation
bin1100110110100011…
…0000110100101100
322220102210220220002
43031220300310230
524031200440040
61330201443432
7151331433554
oct31550606454
98812726802
103450015020
111510497391
128034a0578
1342c9b800a
1424a2aa164
15152d36a15
hexcda30d2c

3450015020 has 24 divisors (see below), whose sum is σ = 7671210624. Its totient is φ = 1298829056.

The previous prime is 3450015007. The next prime is 3450015043. The reversal of 3450015020 is 205100543.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3450014983 and 3450015001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073212 + ... + 5073891.

It is an arithmetic number, because the mean of its divisors is an integer number (319633776).

Almost surely, 23450015020 is an apocalyptic number.

It is an amenable number.

3450015020 is an abundant number, since it is smaller than the sum of its proper divisors (4221195604).

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

3450015020 is a wasteful number, since it uses less digits than its factorization.

3450015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147129 (or 10147127 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3450015020 is about 58736.8284809454. The cubic root of 3450015020 is about 1511.0320006923.

Adding to 3450015020 its reverse (205100543), we get a palindrome (3655115563).

The spelling of 3450015020 in words is "three billion, four hundred fifty million, fifteen thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 10147103 20294206 40588412 50735515 101471030 172500751 202942060 345001502 690003004 862503755 1725007510 3450015020