Search a number
-
+
153121513540451 = 7122746120608723
BaseRepresentation
bin100010110100001101100001…
…011011000000101101100011
3202002011021101112220111112212
4202310031201123000231203
5130032220324431243301
61301355015140312335
744152443564104321
oct4264154133005543
9662137345814485
10153121513540451
1144875518584435
121520bb850a26ab
1367593b2006631
1429b5199684d11
1512a809694a4bb
hex8b43616c0b63

153121513540451 has 16 divisors (see below), whose sum is σ = 156300519691008. Its totient is φ = 149973791738400.

The previous prime is 153121513540441. The next prime is 153121513540453. The reversal of 153121513540451 is 154045315121351.

It is a cyclic number.

It is not a de Polignac number, because 153121513540451 - 226 = 153121446431587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153121513540399 and 153121513540408.

It is not an unprimeable number, because it can be changed into a prime (153121513540453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2874425 + ... + 17734298.

It is an arithmetic number, because the mean of its divisors is an integer number (9768782480688).

Almost surely, 2153121513540451 is an apocalyptic number.

153121513540451 is a deficient number, since it is larger than the sum of its proper divisors (3179006150557).

153121513540451 is a wasteful number, since it uses less digits than its factorization.

153121513540451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20609482.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 153121513540451 in words is "one hundred fifty-three trillion, one hundred twenty-one billion, five hundred thirteen million, five hundred forty thousand, four hundred fifty-one".

Divisors: 1 71 227 461 16117 32731 104647 7429937 20608723 1463219333 4678180121 9500621303 332150788591 674544112513 2156641035781 153121513540451