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1320203233030 = 2511471571626487
BaseRepresentation
bin10011001101100010001…
…111101010011100000110
311200012200020022000210011
4103031202033222130012
5133112234011424110
62450254253020434
7164244603216403
oct23154217523406
94605606260704
101320203233030
114699933421a0
12193a4548471a
139765791bab6
1447c808552aa
152451c93848a
hex133623ea706

1320203233030 has 64 divisors (see below), whose sum is σ = 2664421558272. Its totient is φ = 466866541440.

The previous prime is 1320203233021. The next prime is 1320203233031. The reversal of 1320203233030 is 303323020231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1320203232992 and 1320203233010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320203233031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554 + ... + 1624933.

It is an arithmetic number, because the mean of its divisors is an integer number (41631586848).

Almost surely, 21320203233030 is an apocalyptic number.

1320203233030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320203233030 is an abundant number, since it is smaller than the sum of its proper divisors (1344218325242).

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

1320203233030 is a wasteful number, since it uses less digits than its factorization.

1320203233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626709.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 1320203233030 its reverse (303323020231), we get a palindrome (1623526253261).

The spelling of 1320203233030 in words is "one trillion, three hundred twenty billion, two hundred three million, two hundred thirty-three thousand, thirty".

Divisors: 1 2 5 10 11 22 47 55 94 110 157 235 314 470 517 785 1034 1570 1727 2585 3454 5170 7379 8635 14758 17270 36895 73790 81169 162338 405845 811690 1626487 3252974 8132435 16264870 17891357 35782714 76444889 89456785 152889778 178913570 255358459 382224445 510716918 764448890 840893779 1276792295 1681787558 2553584590 2808943049 4204468895 5617886098 8408937790 12001847573 14044715245 24003695146 28089430490 60009237865 120018475730 132020323303 264040646606 660101616515 1320203233030