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157800830000 = 2454111434553
BaseRepresentation
bin1001001011110110101…
…0011001010000110000
3120002022102002201220012
42102331222121100300
510041134003030000
6200254231234052
714254310631602
oct2227552312060
9502272081805
10157800830000
1160a175001a0
12266bb218928
1311b5a768cb8
1478cd811172
154188886735
hex24bda99430

157800830000 has 100 divisors (see below), whose sum is σ = 416783842728. Its totient is φ = 57382080000.

The previous prime is 157800829981. The next prime is 157800830051. The reversal of 157800830000 is 38008751.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1578008300002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 607277 + ... + 827276.

Almost surely, 2157800830000 is an apocalyptic number.

157800830000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157800830000 is an abundant number, since it is smaller than the sum of its proper divisors (258983012728).

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

157800830000 is a wasteful number, since it uses less digits than its factorization.

157800830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434592 (or 1434571 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 157800830000 its reverse (38008751), we get a palindrome (157838838751).

The spelling of 157800830000 in words is "one hundred fifty-seven billion, eight hundred million, eight hundred thirty thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 625 880 1000 1100 1250 1375 2000 2200 2500 2750 4400 5000 5500 6875 10000 11000 13750 22000 27500 55000 110000 1434553 2869106 5738212 7172765 11476424 14345530 15780083 22952848 28691060 31560166 35863825 57382120 63120332 71727650 78900415 114764240 126240664 143455300 157800830 179319125 252481328 286910600 315601660 358638250 394502075 573821200 631203320 717276500 789004150 896595625 1262406640 1434553000 1578008300 1793191250 1972510375 2869106000 3156016600 3586382500 3945020750 6312033200 7172765000 7890041500 9862551875 14345530000 15780083000 19725103750 31560166000 39450207500 78900415000 157800830000