Search a number
-
+
31003202454544 = 2453115561316373
BaseRepresentation
bin1110000110010011111101…
…10111101000010000010000
311001202212200111002201201201
413003021332313220100100
513030424024312021134
6145534401413240544
76346623154510345
oct703117667502020
9131685614081651
1031003202454544
1199734255964a1
123588765933154
13143b7880258b8
147927c4c5a7cc
1538b6e7775914
hex1c327ede8410

31003202454544 has 40 divisors (see below), whose sum is σ = 61202799602712. Its totient is φ = 15208938501120.

The previous prime is 31003202454541. The next prime is 31003202454583. The reversal of 31003202454544 is 44545420230013.

31003202454544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8513906979600 + 22489295474944 = 2917860^2 + 4742288^2 .

It is a super-2 number, since 2×310032024545442 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31003202454541) 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, 97837542 + ... + 98153914.

Almost surely, 231003202454544 is an apocalyptic number.

It is an amenable number.

31003202454544 is a deficient number, since it is larger than the sum of its proper divisors (30199597148168).

31003202454544 is a wasteful number, since it uses less digits than its factorization.

31003202454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431995 (or 431989 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 31003202454544 its reverse (44545420230013), we get a palindrome (75548622684557).

The spelling of 31003202454544 in words is "thirty-one trillion, three billion, two hundred two million, four hundred fifty-four thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 53 106 212 424 848 115561 231122 316373 462244 632746 924488 1265492 1848976 2530984 5061968 6124733 12249466 16767769 24498932 33535538 48997864 67071076 97995728 134142152 268284304 36560380253 73120760506 146241521012 292483042024 584966084048 1937700153409 3875400306818 7750800613636 15501601227272 31003202454544