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1141073920 = 2115715919
BaseRepresentation
bin100010000000011…
…0110100000000000
32221112010120011001
41010000312200000
54314103331140
6305121101344
740163653060
oct10400664000
92845116131
101141073920
115361197a8
1227a187854
1315253228c
14ab7913a0
156a29ae9a
hex44036800

1141073920 has 96 divisors (see below), whose sum is σ = 3129235200. Its totient is φ = 391200768.

The previous prime is 1141073917. The next prime is 1141073939. The reversal of 1141073920 is 293701411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63721 + ... + 79639.

It is an arithmetic number, because the mean of its divisors is an integer number (32596200).

Almost surely, 21141073920 is an apocalyptic number.

1141073920 is a gapful number since it is divisible by the number (10) 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 1141073920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564617600).

1141073920 is an abundant number, since it is smaller than the sum of its proper divisors (1988161280).

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

1141073920 is an equidigital number, since it uses as much as digits as its factorization.

1141073920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15953 (or 15933 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1141073920 is about 33779.7856713153. The cubic root of 1141073920 is about 1044.9718542819.

The spelling of 1141073920 in words is "one billion, one hundred forty-one million, seventy-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1024 1120 1280 1792 2048 2240 2560 3584 4480 5120 7168 8960 10240 14336 15919 17920 31838 35840 63676 71680 79595 111433 127352 159190 222866 254704 318380 445732 509408 557165 636760 891464 1018816 1114330 1273520 1782928 2037632 2228660 2547040 3565856 4075264 4457320 5094080 7131712 8150528 8914640 10188160 14263424 16301056 17829280 20376320 28526848 32602112 35658560 40752640 57053696 71317120 81505280 114107392 142634240 163010560 228214784 285268480 570536960 1141073920