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5139690400 = 2552132321487
BaseRepresentation
bin1001100100101100…
…10111001110100000
3111021012020022202201
410302112113032200
541011230043100
62210001222544
7241236435055
oct46226271640
914235208681
105139690400
1121a8248519
12bb5331a54
1363ba8b030
1436a86502c
1520134b36a
hex1325973a0

5139690400 has 144 divisors (see below), whose sum is σ = 14100597504. Its totient is φ = 1815137280.

The previous prime is 5139690371. The next prime is 5139690401. The reversal of 5139690400 is 40969315.

It is a self number, because there is not a number n which added to its sum of digits gives 5139690400.

It is not an unprimeable number, because it can be changed into a prime (5139690401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228457 + ... + 249943.

It is an arithmetic number, because the mean of its divisors is an integer number (97920816).

Almost surely, 25139690400 is an apocalyptic number.

5139690400 is a gapful number since it is divisible by the number (50) 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 5139690400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7050298752).

5139690400 is an abundant number, since it is smaller than the sum of its proper divisors (8960907104).

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

5139690400 is a wasteful number, since it uses less digits than its factorization.

5139690400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543 (or 21530 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 5139690400 is about 71691.6341005002. The cubic root of 5139690400 is about 1725.7543882344.

The spelling of 5139690400 in words is "five billion, one hundred thirty-nine million, six hundred ninety thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 23 25 26 32 40 46 50 52 65 80 92 100 104 115 130 160 184 200 208 230 260 299 325 368 400 416 460 520 575 598 650 736 800 920 1040 1150 1196 1300 1495 1840 2080 2300 2392 2600 2990 3680 4600 4784 5200 5980 7475 9200 9568 10400 11960 14950 18400 21487 23920 29900 42974 47840 59800 85948 107435 119600 171896 214870 239200 279331 343792 429740 494201 537175 558662 687584 859480 988402 1074350 1117324 1396655 1718960 1976804 2148700 2234648 2471005 2793310 3437920 3953608 4297400 4469296 4942010 5586620 6424613 6983275 7907216 8594800 8938592 9884020 11173240 12355025 12849226 13966550 15814432 17189600 19768040 22346480 24710050 25698452 27933100 32123065 39536080 44692960 49420100 51396904 55866200 64246130 79072160 98840200 102793808 111732400 128492260 160615325 197680400 205587616 223464800 256984520 321230650 395360800 513969040 642461300 1027938080 1284922600 2569845200 5139690400