Search a number
-
+
143903387716 = 221124324012
BaseRepresentation
bin1000011000000101001…
…1110111000001000100
3111202102212121112001121
42012001103313001010
54324203231401331
6150035221003324
713253026420264
oct2060123670104
9452385545047
10143903387716
1156035790100
1223a80b53544
1310754487b7a
146d71bd37a4
153b23760c11
hex21814f7044

143903387716 has 81 divisors (see below), whose sum is σ = 284101426749. Its totient is φ = 63730128000.

The previous prime is 143903387699. The next prime is 143903387723. The reversal of 143903387716 is 617783309341.

The square root of 143903387716 is 379346.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 142471522116 + 1431865600 = 377454^2 + 37840^2 .

It is a super-2 number, since 2×1439033877162 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 358861116 + ... + 358861516.

Almost surely, 2143903387716 is an apocalyptic number.

143903387716 is the 379346-th square number.

It is an amenable number.

143903387716 is a deficient number, since it is larger than the sum of its proper divisors (140198039033).

143903387716 is an equidigital number, since it uses as much as digits as its factorization.

143903387716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

It can be divided in two parts, 1439033877 and 16, that multiplied together give a palindrome (23024542032).

The spelling of 143903387716 in words is "one hundred forty-three billion, nine hundred three million, three hundred eighty-seven thousand, seven hundred sixteen".

Divisors: 1 2 4 11 22 43 44 86 121 172 242 401 473 484 802 946 1604 1849 1892 3698 4411 5203 7396 8822 10406 17243 17644 20339 20812 34486 40678 48521 68972 81356 97042 160801 189673 194084 223729 321602 379346 447458 643204 741449 758692 894916 1482898 1768811 2086403 2965796 3537622 4172806 6914443 7075244 8155939 8345612 13828886 16311878 19456921 27657772 32623756 38913842 76058873 77827684 89715329 152117746 179430658 297321049 304235492 358861316 594642098 836647603 1189284196 1673295206 3270531539 3346590412 6541063078 13082126156 35975846929 71951693858 143903387716