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142052503040 = 29577927037
BaseRepresentation
bin1000010001001011111…
…1010010111000000000
3111120122212211211121022
42010102333102320000
54311410420044130
6145131422045012
713156123232120
oct2042277227000
9446585754538
10142052503040
1155275a31048
1223645119768
131051ab8cb36
146c38072c80
153a660057e5
hex2112fd2e00

142052503040 has 80 divisors (see below), whose sum is σ = 389249273952. Its totient is φ = 48703709184.

The previous prime is 142052503039. The next prime is 142052503049. The reversal of 142052503040 is 40305250241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142052503049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945599 + ... + 3981438.

Almost surely, 2142052503040 is an apocalyptic number.

142052503040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142052503040 is an abundant number, since it is smaller than the sum of its proper divisors (247196770912).

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

142052503040 is an frugal number, since it uses more digits than its factorization.

142052503040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927067 (or 7927051 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 142052503040 its reverse (40305250241), we get a palindrome (182357753281).

The spelling of 142052503040 in words is "one hundred forty-two billion, fifty-two million, five hundred three thousand, forty".

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 1120 1280 1792 2240 2560 3584 4480 8960 17920 7927037 15854074 31708148 39635185 55489259 63416296 79270370 110978518 126832592 158540740 221957036 253665184 277446295 317081480 443914072 507330368 554892590 634162960 887828144 1014660736 1109785180 1268325920 1775656288 2029321472 2219570360 2536651840 3551312576 4058642944 4439140720 5073303680 7102625152 8878281440 10146607360 14205250304 17756562880 20293214720 28410500608 35513125760 71026251520 142052503040