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123132220010 = 2589974573121
BaseRepresentation
bin111001010101101000…
…0001001001001101010
3102202211021222212120222
41302223100021021222
54004133322020020
6132322142450042
711616221413112
oct1625320111152
9382737885528
10123132220010
1148246a233a8
121ba44893922
13b7c40b39a7
145d6132a042
153309e65b25
hex1cab40926a

123132220010 has 64 divisors (see below), whose sum is σ = 227007113760. Its totient is φ = 48076554240.

The previous prime is 123132219997. The next prime is 123132220037. The reversal of 123132220010 is 10022231321.

It can be written as a sum of positive squares in 16 ways, for example, as 251825161 + 122880394849 = 15869^2 + 350543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39451250 + ... + 39454370.

Almost surely, 2123132220010 is an apocalyptic number.

123132220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123132220010 is a deficient number, since it is larger than the sum of its proper divisors (103874893750).

123132220010 is a wasteful number, since it uses less digits than its factorization.

123132220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123132220010 its reverse (10022231321), we get a palindrome (133154451331).

The spelling of 123132220010 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred twenty thousand, ten".

Divisors: 1 2 5 10 89 97 178 194 445 457 485 890 914 970 2285 3121 4570 6242 8633 15605 17266 31210 40673 43165 44329 81346 86330 88658 203365 221645 277769 302737 406730 443290 555538 605474 1388845 1426297 1513685 2777690 2852594 3027370 3945281 7131485 7890562 14262970 19726405 26943593 39452810 53887186 126940433 134717965 138350809 253880866 269435930 276701618 634702165 691754045 1269404330 1383508090 12313222001 24626444002 61566110005 123132220010