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2042164560 = 243557714747
BaseRepresentation
bin111100110111000…
…1111010101010000
312021022200201010110
41321232033111100
513140243231220
6534350401320
7101415053352
oct17156172520
95238621113
102042164560
11958826507
1248bb00240
1326711b1c7
141553130d2
15be440be0
hex79b8f550

2042164560 has 80 divisors (see below), whose sum is σ = 6342111936. Its totient is φ = 543596544.

The previous prime is 2042164529. The next prime is 2042164567. The reversal of 2042164560 is 654612402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042164567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131107 + ... + 145853.

Almost surely, 22042164560 is an apocalyptic number.

2042164560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042164560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171055968).

2042164560 is an abundant number, since it is smaller than the sum of its proper divisors (4299947376).

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

2042164560 is a wasteful number, since it uses less digits than its factorization.

2042164560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340 (or 15334 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2042164560 is about 45190.3148915783. The cubic root of 2042164560 is about 1268.7135504910.

Adding to 2042164560 its reverse (654612402), we get a palindrome (2696776962).

The spelling of 2042164560 in words is "two billion, forty-two million, one hundred sixty-four thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 577 1154 1731 2308 2885 3462 4616 5770 6924 8655 9232 11540 13848 14747 17310 23080 27696 29494 34620 44241 46160 58988 69240 73735 88482 117976 138480 147470 176964 221205 235952 294940 353928 442410 589880 707856 884820 1179760 1769640 3539280 8509019 17018038 25527057 34036076 42545095 51054114 68072152 85090190 102108228 127635285 136144304 170180380 204216456 255270570 340360760 408432912 510541140 680721520 1021082280 2042164560