Search a number
-
+
312023211002 = 211310611301257
BaseRepresentation
bin1001000101001100000…
…10000101101111111010
31002211101102201102121022
410202212002011233322
520103010420223002
6355201432142442
731354140350546
oct4424602055772
91084342642538
10312023211002
11110367a71718
125057bb37a22
1323567a2c249
141115dc82a26
1581b2eb6ba2
hex48a6085bfa

312023211002 has 16 divisors (see below), whose sum is σ = 472622110632. Its totient is φ = 154485112320.

The previous prime is 312023210999. The next prime is 312023211013. The reversal of 312023211002 is 200112320213.

It can be written as a sum of positive squares in 4 ways, for example, as 204818699761 + 107204511241 = 452569^2 + 327421^2 .

It is a super-2 number, since 2×3120232110022 (a number of 24 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, 410843 + ... + 890414.

Almost surely, 2312023211002 is an apocalyptic number.

312023211002 is a deficient number, since it is larger than the sum of its proper divisors (160598899630).

312023211002 is a wasteful number, since it uses less digits than its factorization.

312023211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302433.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312023211002 its reverse (200112320213), we get a palindrome (512135531215).

The spelling of 312023211002 in words is "three hundred twelve billion, twenty-three million, two hundred eleven thousand, two".

Divisors: 1 2 113 226 1061 2122 119893 239786 1301257 2602514 147042041 294084082 1380633677 2761267354 156011605501 312023211002