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168240507010 = 253710934911953
BaseRepresentation
bin1001110010101111101…
…0100110100010000010
3121002020222012021111021
42130223322212202002
510224024032211020
6205142201540054
715104104466662
oct2345372464202
9532228167437
10168240507010
1165394420034
12287334a462a
1312b3257a584
1482001061a2
15459a1441aa
hex272bea6882

168240507010 has 64 divisors (see below), whose sum is σ = 314796636000. Its totient is φ = 64685371392.

The previous prime is 168240506983. The next prime is 168240507031. The reversal of 168240507010 is 10705042861.

It can be written as a sum of positive squares in 16 ways, for example, as 120477715801 + 47762791209 = 347099^2 + 218547^2 .

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, 14069194 + ... + 14081146.

Almost surely, 2168240507010 is an apocalyptic number.

168240507010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168240507010 is a deficient number, since it is larger than the sum of its proper divisors (146556128990).

168240507010 is a wasteful number, since it uses less digits than its factorization.

168240507010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 168240507010 its reverse (10705042861), we get a palindrome (178945549871).

The spelling of 168240507010 in words is "one hundred sixty-eight billion, two hundred forty million, five hundred seven thousand, ten".

Divisors: 1 2 5 10 37 74 109 185 218 349 370 545 698 1090 1745 3490 4033 8066 11953 12913 20165 23906 25826 38041 40330 59765 64565 76082 119530 129130 190205 380410 442261 884522 1302877 1407517 2211305 2605754 2815034 4171597 4422610 6514385 7037585 8343194 13028770 14075170 20857985 41715970 48206449 96412898 154349089 241032245 308698178 454704073 482064490 771745445 909408146 1543490890 2273520365 4547040730 16824050701 33648101402 84120253505 168240507010