Search a number
-
+
1001002012312 = 231911867350887
BaseRepresentation
bin11101001000100000101…
…11101000111010011000
310112200202112212220222011
432210100113220322120
5112400023003343222
62043504243035304
7132214522500511
oct16442027507230
93480675786864
101001002012312
113565825a3645
1214200166bb34
1373517a5b933
143663d559a08
151b0896e3c77
hexe9105e8e98

1001002012312 has 32 divisors (see below), whose sum is σ = 1887721297920. Its totient is φ = 497612489760.

The previous prime is 1001002012291. The next prime is 1001002012331. The reversal of 1001002012312 is 2132102001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001002012292 and 1001002012301.

It is a congruent number.

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, 2677333 + ... + 3028219.

It is an arithmetic number, because the mean of its divisors is an integer number (58991290560).

Almost surely, 21001002012312 is an apocalyptic number.

It is an amenable number.

1001002012312 is a deficient number, since it is larger than the sum of its proper divisors (886719285608).

1001002012312 is a wasteful number, since it uses less digits than its factorization.

1001002012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352951 (or 352947 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1001002012312 its reverse (2132102001001), we get a palindrome (3133104013313).

The spelling of 1001002012312 in words is "one trillion, one billion, two million, twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 191 382 764 1528 1867 3734 7468 14936 350887 356597 701774 713194 1403548 1426388 2807096 2852776 67019417 134038834 268077668 536155336 655106029 1310212058 2620424116 5240848232 125125251539 250250503078 500501006156 1001002012312