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142758050944 = 2779107131941
BaseRepresentation
bin1000010011110100001…
…0101111110010000000
3111122111001110101101011
42010331002233302000
54314332030112234
6145325424250304
713212451261105
oct2047502576200
9448431411334
10142758050944
11555a821a693
1223801470994
13106010c24c2
146ca3a52aac
153aa7e21b64
hex213d0afc80

142758050944 has 64 divisors (see below), whose sum is σ = 290694614400. Its totient is φ = 69816314880.

The previous prime is 142758050923. The next prime is 142758050957. The reversal of 142758050944 is 449050857241.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1427580509442 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016014 + ... + 1147954.

It is an arithmetic number, because the mean of its divisors is an integer number (4542103350).

Almost surely, 2142758050944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142758050944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145347307200).

142758050944 is an abundant number, since it is smaller than the sum of its proper divisors (147936563456).

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

142758050944 is a wasteful number, since it uses less digits than its factorization.

142758050944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132141 (or 132129 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 142758050944 in words is "one hundred forty-two billion, seven hundred fifty-eight million, fifty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 79 107 128 158 214 316 428 632 856 1264 1712 2528 3424 5056 6848 8453 10112 13696 16906 33812 67624 131941 135248 263882 270496 527764 540992 1055528 1081984 2111056 4222112 8444224 10423339 14117687 16888448 20846678 28235374 41693356 56470748 83386712 112941496 166773424 225882992 333546848 451765984 667093696 903531968 1115297273 1334187392 1807063936 2230594546 4461189092 8922378184 17844756368 35689512736 71379025472 142758050944