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1553030500445 = 55916731524013
BaseRepresentation
bin10110100110010111110…
…101001101000001011101
312111110122100212200102122
4112212113311031001131
5200421101302003240
63145241413232325
7220126354305404
oct26462765150135
95443570780378
101553030500445
11549700259266
12210ba29326a5
13b35b0c89558
145524a66263b
152a5e7d0a4b5
hex16997d4d05d

1553030500445 has 16 divisors (see below), whose sum is σ = 1906572366720. Its totient is φ = 1214052750144.

The previous prime is 1553030500397. The next prime is 1553030500447. The reversal of 1553030500445 is 5440050303551.

It is a cyclic number.

It is not a de Polignac number, because 1553030500445 - 26 = 1553030500381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553030500447) 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, 15712742 + ... + 15811271.

It is an arithmetic number, because the mean of its divisors is an integer number (119160772920).

Almost surely, 21553030500445 is an apocalyptic number.

It is an amenable number.

1553030500445 is a deficient number, since it is larger than the sum of its proper divisors (353541866275).

1553030500445 is a wasteful number, since it uses less digits than its factorization.

1553030500445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31524244.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 1553030500445 its reverse (5440050303551), we get a palindrome (6993080803996).

The spelling of 1553030500445 in words is "one trillion, five hundred fifty-three billion, thirty million, five hundred thousand, four hundred forty-five".

Divisors: 1 5 59 167 295 835 9853 49265 31524013 157620065 1859916767 5264510171 9299583835 26322550855 310606100089 1553030500445