Search a number
-
+
51155502253435 = 512599157887449
BaseRepresentation
bin10111010000110100100011…
…00010100100010101111011
320201010102021220111122020201
423220122101202210111323
523201112432034102220
6300444302512503031
713526602014466456
oct1350322142442573
9221112256448221
1051155502253435
1115332a21445618
1258a234224aa77
132270c35190518
14c8bd2208449d
155daa1306cd0a
hex2e86918a457b

51155502253435 has 16 divisors (see below), whose sum is σ = 61442139276000. Its totient is φ = 40887384604416.

The previous prime is 51155502253399. The next prime is 51155502253463. The reversal of 51155502253435 is 53435220555115.

It is a cyclic number.

It is not a de Polignac number, because 51155502253435 - 211 = 51155502251387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57199591 + ... + 58087039.

It is an arithmetic number, because the mean of its divisors is an integer number (3840133704750).

Almost surely, 251155502253435 is an apocalyptic number.

51155502253435 is a deficient number, since it is larger than the sum of its proper divisors (10286637022565).

51155502253435 is a wasteful number, since it uses less digits than its factorization.

51155502253435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897870.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 51155502253435 in words is "fifty-one trillion, one hundred fifty-five billion, five hundred two million, two hundred fifty-three thousand, four hundred thirty-five".

Divisors: 1 5 1259 6295 9157 45785 887449 4437245 11528663 57643315 1117298291 5586491455 8126370493 40631852465 10231100450687 51155502253435