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7099011072 = 2123421397
BaseRepresentation
bin1101001110010001…
…00101000000000000
3200022202001010110000
412213020211000000
5104014321323242
63132232240000
7340630412166
oct64710450000
920282033400
107099011072
1130132300aa
121461540000
1389199158a
144b4b71236
152b8375a4c
hex1a7225000

7099011072 has 130 divisors (see below), whose sum is σ = 21207793178. Its totient is φ = 2366226432.

The previous prime is 7099011053. The next prime is 7099011107. The reversal of 7099011072 is 2701109907.

It can be written as a sum of positive squares in only one way, i.e., 7072137216 + 26873856 = 84096^2 + 5184^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 321078 + ... + 342474.

Almost surely, 27099011072 is an apocalyptic number.

7099011072 is a gapful number since it is divisible by the number (72) 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 7099011072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10603896589).

7099011072 is an abundant number, since it is smaller than the sum of its proper divisors (14108782106).

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

7099011072 is an equidigital number, since it uses as much as digits as its factorization.

7099011072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21433 (or 21402 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 7099011072 is about 84255.6293193517. The cubic root of 7099011072 is about 1921.9081030919.

The spelling of 7099011072 in words is "seven billion, ninety-nine million, eleven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1024 1152 1296 1536 1728 2048 2304 2592 3072 3456 4096 4608 5184 6144 6912 9216 10368 12288 13824 18432 20736 21397 27648 36864 41472 42794 55296 64191 82944 85588 110592 128382 165888 171176 192573 256764 331776 342352 385146 513528 577719 684704 770292 1027056 1155438 1369408 1540584 1733157 2054112 2310876 2738816 3081168 3466314 4108224 4621752 5477632 6162336 6932628 8216448 9243504 10955264 12324672 13865256 16432896 18487008 21910528 24649344 27730512 32865792 36974016 43821056 49298688 55461024 65731584 73948032 87642112 98597376 110922048 131463168 147896064 197194752 221844096 262926336 295792128 394389504 443688192 591584256 788779008 887376384 1183168512 1774752768 2366337024 3549505536 7099011072