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13350021344 = 2511181317661
BaseRepresentation
bin11000110111011100…
…10010100011100000
31021110101102100110222
430123232102203200
5204320101140334
610044413142212
7651553211012
oct143356224340
937411370428
1013350021344
1157308146a0
122706a8a968
131349a6481a
149090401b2
15532041d2e
hex31bb928e0

13350021344 has 96 divisors (see below), whose sum is σ = 28965317472. Its totient is φ = 6006528000.

The previous prime is 13350021343. The next prime is 13350021361. The reversal of 13350021344 is 44312005331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13350021343) 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, 20196374 + ... + 20197034.

It is an arithmetic number, because the mean of its divisors is an integer number (301722057).

Almost surely, 213350021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13350021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14482658736).

13350021344 is an abundant number, since it is smaller than the sum of its proper divisors (15615296128).

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

13350021344 is a wasteful number, since it uses less digits than its factorization.

13350021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13350021344 its reverse (44312005331), we get a palindrome (57662026675).

The spelling of 13350021344 in words is "thirteen billion, three hundred fifty million, twenty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 181 317 352 362 634 661 724 1268 1322 1448 1991 2536 2644 2896 3487 3982 5072 5288 5792 6974 7271 7964 10144 10576 13948 14542 15928 21152 27896 29084 31856 55792 57377 58168 63712 111584 114754 116336 119641 209537 229508 232672 239282 419074 459016 478564 631147 838148 918032 957128 1262294 1316051 1676296 1836064 1914256 2304907 2524588 2632102 3352592 3828512 4609814 5049176 5264204 6705184 9219628 10098352 10528408 18439256 20196704 21056816 36878512 37926197 42113632 73757024 75852394 151704788 303409576 417188167 606819152 834376334 1213638304 1668752668 3337505336 6675010672 13350021344