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1200423807948 = 2232329473191021
BaseRepresentation
bin10001011101111110110…
…101011010101111001100
311020202111121011210012010
4101131332311122233030
5124131431443323243
62315244520141220
7152504423003511
oct21357665325714
94222447153163
101200423807948
11423107a432a2
12174797607810
1389279343a41
144215a929308
152135c003433
hex1177ed5abcc

1200423807948 has 96 divisors (see below), whose sum is σ = 3087888168960. Its totient is φ = 361682970880.

The previous prime is 1200423807943. The next prime is 1200423808013. The reversal of 1200423807948 is 8497083240021.

It is a junction number, because it is equal to n+sod(n) for n = 1200423807897 and 1200423807906.

It is not an unprimeable number, because it can be changed into a prime (1200423807943) 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, 1219323 + ... + 1971698.

It is an arithmetic number, because the mean of its divisors is an integer number (32165501760).

Almost surely, 21200423807948 is an apocalyptic number.

It is an amenable number.

1200423807948 is an abundant number, since it is smaller than the sum of its proper divisors (1887464361012).

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

1200423807948 is a wasteful number, since it uses less digits than its factorization.

1200423807948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191127 (or 3191125 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 1200423807948 in words is "one trillion, two hundred billion, four hundred twenty-three million, eight hundred seven thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 23 29 46 47 58 69 87 92 94 116 138 141 174 188 276 282 348 564 667 1081 1334 1363 2001 2162 2668 2726 3243 4002 4089 4324 5452 6486 8004 8178 12972 16356 31349 62698 94047 125396 188094 376188 3191021 6382042 9573063 12764084 19146126 38292252 73393483 92539609 146786966 149977987 185079218 220180449 277618827 293573932 299955974 370158436 440360898 449933961 555237654 599911948 880721796 899867922 1110475308 1799735844 2128411007 3449493701 4256822014 4349361623 6385233021 6898987402 8513644028 8698723246 10348481103 12770466042 13048084869 13797974804 17397446492 20696962206 25540932084 26096169738 41393924412 52192339476 100035317329 200070634658 300105951987 400141269316 600211903974 1200423807948